18611640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 128

約数和(自身を含む): 65376000

約数和(自身を除く): 46764360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 907, 1026, 1080, 1140, 1368, 1710, 1814, 2052, 2280, 2565, 2721, 3420, 3628, 4104, 4535, 5130, 5442, 6840, 7256, 8163, 9070, 10260, 10884, 13605, 16326, 17233, 18140, 20520, 21768, 24489, 27210, 32652, 34466, 36280, 40815, 48978, 51699, 54420, 65304, 68932, 81630, 86165, 97956, 103398, 108840, 122445, 137864, 155097, 163260, 172330, 195912, 206796, 244890, 258495, 310194, 326520, 344660, 413592, 465291, 489780, 516990, 620388, 689320, 775485, 930582, 979560, 1033980, 1240776, 1550970, 1861164, 2067960, 2326455, 3101940, 3722328, 4652910, 6203880, 9305820, 18611640]

約数ペア:

[(1, 18611640), (2, 9305820), (3, 6203880), (4, 4652910), (5, 3722328), (6, 3101940), (8, 2326455), (9, 2067960), (10, 1861164), (12, 1550970), (15, 1240776), (18, 1033980), (19, 979560), (20, 930582), (24, 775485), (27, 689320), (30, 620388), (36, 516990), (38, 489780), (40, 465291), (45, 413592), (54, 344660), (57, 326520), (60, 310194), (72, 258495), (76, 244890), (90, 206796), (95, 195912), (108, 172330), (114, 163260), (120, 155097), (135, 137864), (152, 122445), (171, 108840), (180, 103398), (190, 97956), (216, 86165), (228, 81630), (270, 68932), (285, 65304), (342, 54420), (360, 51699), (380, 48978), (456, 40815), (513, 36280), (540, 34466), (570, 32652), (684, 27210), (760, 24489), (855, 21768), (907, 20520), (1026, 18140), (1080, 17233), (1140, 16326), (1368, 13605), (1710, 10884), (1814, 10260), (2052, 9070), (2280, 8163), (2565, 7256), (2721, 6840), (3420, 5442), (3628, 5130), (4104, 4535)]