19058520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 64915200

約数和(自身を除く): 45856680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 643, 741, 760, 780, 988, 1140, 1235, 1286, 1482, 1560, 1929, 1976, 2280, 2470, 2572, 2964, 3215, 3705, 3858, 4940, 5144, 5928, 6430, 7410, 7716, 8359, 9645, 9880, 12217, 12860, 14820, 15432, 16718, 19290, 24434, 25077, 25720, 29640, 33436, 36651, 38580, 41795, 48868, 50154, 61085, 66872, 73302, 77160, 83590, 97736, 100308, 122170, 125385, 146604, 158821, 167180, 183255, 200616, 244340, 250770, 293208, 317642, 334360, 366510, 476463, 488680, 501540, 635284, 733020, 794105, 952926, 1003080, 1270568, 1466040, 1588210, 1905852, 2382315, 3176420, 3811704, 4764630, 6352840, 9529260, 19058520]

約数ペア:

[(1, 19058520), (2, 9529260), (3, 6352840), (4, 4764630), (5, 3811704), (6, 3176420), (8, 2382315), (10, 1905852), (12, 1588210), (13, 1466040), (15, 1270568), (19, 1003080), (20, 952926), (24, 794105), (26, 733020), (30, 635284), (38, 501540), (39, 488680), (40, 476463), (52, 366510), (57, 334360), (60, 317642), (65, 293208), (76, 250770), (78, 244340), (95, 200616), (104, 183255), (114, 167180), (120, 158821), (130, 146604), (152, 125385), (156, 122170), (190, 100308), (195, 97736), (228, 83590), (247, 77160), (260, 73302), (285, 66872), (312, 61085), (380, 50154), (390, 48868), (456, 41795), (494, 38580), (520, 36651), (570, 33436), (643, 29640), (741, 25720), (760, 25077), (780, 24434), (988, 19290), (1140, 16718), (1235, 15432), (1286, 14820), (1482, 12860), (1560, 12217), (1929, 9880), (1976, 9645), (2280, 8359), (2470, 7716), (2572, 7410), (2964, 6430), (3215, 5928), (3705, 5144), (3858, 4940)]