18338040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 53546760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 383, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 766, 798, 840, 855, 1064, 1140, 1149, 1197, 1260, 1330, 1368, 1532, 1596, 1710, 1915, 1995, 2280, 2298, 2394, 2520, 2660, 2681, 3064, 3192, 3420, 3447, 3830, 3990, 4596, 4788, 5320, 5362, 5745, 5985, 6840, 6894, 7277, 7660, 7980, 8043, 9192, 9576, 10724, 11490, 11970, 13405, 13788, 14554, 15320, 15960, 16086, 17235, 21448, 21831, 22980, 23940, 24129, 26810, 27576, 29108, 32172, 34470, 36385, 40215, 43662, 45960, 47880, 48258, 50939, 53620, 58216, 64344, 65493, 68940, 72770, 80430, 87324, 96516, 101878, 107240, 109155, 120645, 130986, 137880, 145540, 152817, 160860, 174648, 193032, 203756, 218310, 241290, 254695, 261972, 291080, 305634, 321720, 327465, 407512, 436620, 458451, 482580, 509390, 523944, 611268, 654930, 764085, 873240, 916902, 965160, 1018780, 1222536, 1309860, 1528170, 1833804, 2037560, 2292255, 2619720, 3056340, 3667608, 4584510, 6112680, 9169020, 18338040]

約数ペア:

[(1, 18338040), (2, 9169020), (3, 6112680), (4, 4584510), (5, 3667608), (6, 3056340), (7, 2619720), (8, 2292255), (9, 2037560), (10, 1833804), (12, 1528170), (14, 1309860), (15, 1222536), (18, 1018780), (19, 965160), (20, 916902), (21, 873240), (24, 764085), (28, 654930), (30, 611268), (35, 523944), (36, 509390), (38, 482580), (40, 458451), (42, 436620), (45, 407512), (56, 327465), (57, 321720), (60, 305634), (63, 291080), (70, 261972), (72, 254695), (76, 241290), (84, 218310), (90, 203756), (95, 193032), (105, 174648), (114, 160860), (120, 152817), (126, 145540), (133, 137880), (140, 130986), (152, 120645), (168, 109155), (171, 107240), (180, 101878), (190, 96516), (210, 87324), (228, 80430), (252, 72770), (266, 68940), (280, 65493), (285, 64344), (315, 58216), (342, 53620), (360, 50939), (380, 48258), (383, 47880), (399, 45960), (420, 43662), (456, 40215), (504, 36385), (532, 34470), (570, 32172), (630, 29108), (665, 27576), (684, 26810), (760, 24129), (766, 23940), (798, 22980), (840, 21831), (855, 21448), (1064, 17235), (1140, 16086), (1149, 15960), (1197, 15320), (1260, 14554), (1330, 13788), (1368, 13405), (1532, 11970), (1596, 11490), (1710, 10724), (1915, 9576), (1995, 9192), (2280, 8043), (2298, 7980), (2394, 7660), (2520, 7277), (2660, 6894), (2681, 6840), (3064, 5985), (3192, 5745), (3420, 5362), (3447, 5320), (3830, 4788), (3990, 4596)]