19042920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 67230540

約数和(自身を除く): 48187620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 313, 338, 360, 390, 468, 507, 520, 585, 626, 676, 780, 845, 936, 939, 1014, 1170, 1252, 1352, 1521, 1560, 1565, 1690, 1878, 2028, 2340, 2504, 2535, 2817, 3042, 3130, 3380, 3756, 4056, 4069, 4680, 4695, 5070, 5634, 6084, 6260, 6760, 7512, 7605, 8138, 9390, 10140, 11268, 12168, 12207, 12520, 14085, 15210, 16276, 18780, 20280, 20345, 22536, 24414, 28170, 30420, 32552, 36621, 37560, 40690, 48828, 52897, 56340, 60840, 61035, 73242, 81380, 97656, 105794, 112680, 122070, 146484, 158691, 162760, 183105, 211588, 244140, 264485, 292968, 317382, 366210, 423176, 476073, 488280, 528970, 634764, 732420, 793455, 952146, 1057940, 1269528, 1464840, 1586910, 1904292, 2115880, 2380365, 3173820, 3808584, 4760730, 6347640, 9521460, 19042920]

約数ペア:

[(1, 19042920), (2, 9521460), (3, 6347640), (4, 4760730), (5, 3808584), (6, 3173820), (8, 2380365), (9, 2115880), (10, 1904292), (12, 1586910), (13, 1464840), (15, 1269528), (18, 1057940), (20, 952146), (24, 793455), (26, 732420), (30, 634764), (36, 528970), (39, 488280), (40, 476073), (45, 423176), (52, 366210), (60, 317382), (65, 292968), (72, 264485), (78, 244140), (90, 211588), (104, 183105), (117, 162760), (120, 158691), (130, 146484), (156, 122070), (169, 112680), (180, 105794), (195, 97656), (234, 81380), (260, 73242), (312, 61035), (313, 60840), (338, 56340), (360, 52897), (390, 48828), (468, 40690), (507, 37560), (520, 36621), (585, 32552), (626, 30420), (676, 28170), (780, 24414), (845, 22536), (936, 20345), (939, 20280), (1014, 18780), (1170, 16276), (1252, 15210), (1352, 14085), (1521, 12520), (1560, 12207), (1565, 12168), (1690, 11268), (1878, 10140), (2028, 9390), (2340, 8138), (2504, 7605), (2535, 7512), (2817, 6760), (3042, 6260), (3130, 6084), (3380, 5634), (3756, 5070), (4056, 4695), (4069, 4680)]