18625320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 192

約数和(自身を含む): 73008000

約数和(自身を除く): 54382680

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, 389, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 778, 798, 840, 855, 1064, 1140, 1167, 1197, 1260, 1330, 1368, 1556, 1596, 1710, 1945, 1995, 2280, 2334, 2394, 2520, 2660, 2723, 3112, 3192, 3420, 3501, 3890, 3990, 4668, 4788, 5320, 5446, 5835, 5985, 6840, 7002, 7391, 7780, 7980, 8169, 9336, 9576, 10892, 11670, 11970, 13615, 14004, 14782, 15560, 15960, 16338, 17505, 21784, 22173, 23340, 23940, 24507, 27230, 28008, 29564, 32676, 35010, 36955, 40845, 44346, 46680, 47880, 49014, 51737, 54460, 59128, 65352, 66519, 70020, 73910, 81690, 88692, 98028, 103474, 108920, 110865, 122535, 133038, 140040, 147820, 155211, 163380, 177384, 196056, 206948, 221730, 245070, 258685, 266076, 295640, 310422, 326760, 332595, 413896, 443460, 465633, 490140, 517370, 532152, 620844, 665190, 776055, 886920, 931266, 980280, 1034740, 1241688, 1330380, 1552110, 1862532, 2069480, 2328165, 2660760, 3104220, 3725064, 4656330, 6208440, 9312660, 18625320]

約数ペア:

[(1, 18625320), (2, 9312660), (3, 6208440), (4, 4656330), (5, 3725064), (6, 3104220), (7, 2660760), (8, 2328165), (9, 2069480), (10, 1862532), (12, 1552110), (14, 1330380), (15, 1241688), (18, 1034740), (19, 980280), (20, 931266), (21, 886920), (24, 776055), (28, 665190), (30, 620844), (35, 532152), (36, 517370), (38, 490140), (40, 465633), (42, 443460), (45, 413896), (56, 332595), (57, 326760), (60, 310422), (63, 295640), (70, 266076), (72, 258685), (76, 245070), (84, 221730), (90, 206948), (95, 196056), (105, 177384), (114, 163380), (120, 155211), (126, 147820), (133, 140040), (140, 133038), (152, 122535), (168, 110865), (171, 108920), (180, 103474), (190, 98028), (210, 88692), (228, 81690), (252, 73910), (266, 70020), (280, 66519), (285, 65352), (315, 59128), (342, 54460), (360, 51737), (380, 49014), (389, 47880), (399, 46680), (420, 44346), (456, 40845), (504, 36955), (532, 35010), (570, 32676), (630, 29564), (665, 28008), (684, 27230), (760, 24507), (778, 23940), (798, 23340), (840, 22173), (855, 21784), (1064, 17505), (1140, 16338), (1167, 15960), (1197, 15560), (1260, 14782), (1330, 14004), (1368, 13615), (1556, 11970), (1596, 11670), (1710, 10892), (1945, 9576), (1995, 9336), (2280, 8169), (2334, 7980), (2394, 7780), (2520, 7391), (2660, 7002), (2723, 6840), (3112, 5985), (3192, 5835), (3420, 5446), (3501, 5320), (3890, 4788), (3990, 4668)]