2019876012010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{202799}}^1$

素因数の和:202964

約数の個数: 96

約数和(自身を含む): 4005510912000

約数和(自身を除く): 1985634899990

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 89, 95, 155, 178, 190, 310, 361, 445, 589, 722, 890, 1178, 1691, 1805, 2759, 2945, 3382, 3610, 5518, 5890, 8455, 11191, 13795, 16910, 22382, 27590, 32129, 52421, 55955, 64258, 104842, 111910, 160645, 202799, 262105, 321290, 405598, 524210, 995999, 1013995, 1991998, 2027990, 3853181, 4979995, 6286769, 7706362, 9959990, 12573538, 18049111, 19265905, 31433845, 36098222, 38531810, 62867690, 73210439, 90245555, 119448611, 146420878, 180491110, 238897222, 342933109, 366052195, 559522441, 597243055, 685866218, 732104390, 1119044882, 1194486110, 1714665545, 2269523609, 2797612205, 3429331090, 4539047218, 5595224410, 6515729071, 10630926379, 11347618045, 13031458142, 21261852758, 22695236090, 32578645355, 53154631895, 65157290710, 106309263790, 201987601201, 403975202402, 1009938006005, 2019876012010]

約数ペア:

[(1, 2019876012010), (2, 1009938006005), (5, 403975202402), (10, 201987601201), (19, 106309263790), (31, 65157290710), (38, 53154631895), (62, 32578645355), (89, 22695236090), (95, 21261852758), (155, 13031458142), (178, 11347618045), (190, 10630926379), (310, 6515729071), (361, 5595224410), (445, 4539047218), (589, 3429331090), (722, 2797612205), (890, 2269523609), (1178, 1714665545), (1691, 1194486110), (1805, 1119044882), (2759, 732104390), (2945, 685866218), (3382, 597243055), (3610, 559522441), (5518, 366052195), (5890, 342933109), (8455, 238897222), (11191, 180491110), (13795, 146420878), (16910, 119448611), (22382, 90245555), (27590, 73210439), (32129, 62867690), (52421, 38531810), (55955, 36098222), (64258, 31433845), (104842, 19265905), (111910, 18049111), (160645, 12573538), (202799, 9959990), (262105, 7706362), (321290, 6286769), (405598, 4979995), (524210, 3853181), (995999, 2027990), (1013995, 1991998)]