18846450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 60043776

約数和(自身を除く): 41197326

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 62, 63, 70, 75, 90, 93, 105, 126, 150, 155, 175, 186, 193, 210, 217, 225, 279, 310, 315, 350, 386, 434, 450, 465, 525, 558, 579, 630, 651, 775, 930, 965, 1050, 1085, 1158, 1302, 1351, 1395, 1550, 1575, 1737, 1930, 1953, 2170, 2325, 2702, 2790, 2895, 3150, 3255, 3474, 3906, 4053, 4650, 4825, 5425, 5790, 5983, 6510, 6755, 6975, 8106, 8685, 9650, 9765, 10850, 11966, 12159, 13510, 13950, 14475, 16275, 17370, 17949, 19530, 20265, 24318, 28950, 29915, 32550, 33775, 35898, 40530, 41881, 43425, 48825, 53847, 59830, 60795, 67550, 83762, 86850, 89745, 97650, 101325, 107694, 121590, 125643, 149575, 179490, 202650, 209405, 251286, 269235, 299150, 303975, 376929, 418810, 448725, 538470, 607950, 628215, 753858, 897450, 1047025, 1256430, 1346175, 1884645, 2094050, 2692350, 3141075, 3769290, 6282150, 9423225, 18846450]

約数ペア:

[(1, 18846450), (2, 9423225), (3, 6282150), (5, 3769290), (6, 3141075), (7, 2692350), (9, 2094050), (10, 1884645), (14, 1346175), (15, 1256430), (18, 1047025), (21, 897450), (25, 753858), (30, 628215), (31, 607950), (35, 538470), (42, 448725), (45, 418810), (50, 376929), (62, 303975), (63, 299150), (70, 269235), (75, 251286), (90, 209405), (93, 202650), (105, 179490), (126, 149575), (150, 125643), (155, 121590), (175, 107694), (186, 101325), (193, 97650), (210, 89745), (217, 86850), (225, 83762), (279, 67550), (310, 60795), (315, 59830), (350, 53847), (386, 48825), (434, 43425), (450, 41881), (465, 40530), (525, 35898), (558, 33775), (579, 32550), (630, 29915), (651, 28950), (775, 24318), (930, 20265), (965, 19530), (1050, 17949), (1085, 17370), (1158, 16275), (1302, 14475), (1351, 13950), (1395, 13510), (1550, 12159), (1575, 11966), (1737, 10850), (1930, 9765), (1953, 9650), (2170, 8685), (2325, 8106), (2702, 6975), (2790, 6755), (2895, 6510), (3150, 5983), (3255, 5790), (3474, 5425), (3906, 4825), (4053, 4650)]