19870293590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{17159}}^1$

素因数の和:17477

約数の個数: 64

約数和(自身を含む): 41632081920

約数和(自身を除く): 21761788330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 233, 355, 466, 497, 710, 994, 1165, 1631, 2330, 2485, 3262, 4970, 8155, 16310, 16543, 17159, 33086, 34318, 82715, 85795, 115801, 120113, 165430, 171590, 231602, 240226, 579005, 600565, 1158010, 1201130, 1218289, 2436578, 3998047, 6091445, 7996094, 8528023, 12182890, 17056046, 19990235, 27986329, 39980470, 42640115, 55972658, 85280230, 139931645, 279863290, 283861337, 567722674, 1419306685, 1987029359, 2838613370, 3974058718, 9935146795, 19870293590]

約数ペア:

[(1, 19870293590), (2, 9935146795), (5, 3974058718), (7, 2838613370), (10, 1987029359), (14, 1419306685), (35, 567722674), (70, 283861337), (71, 279863290), (142, 139931645), (233, 85280230), (355, 55972658), (466, 42640115), (497, 39980470), (710, 27986329), (994, 19990235), (1165, 17056046), (1631, 12182890), (2330, 8528023), (2485, 7996094), (3262, 6091445), (4970, 3998047), (8155, 2436578), (16310, 1218289), (16543, 1201130), (17159, 1158010), (33086, 600565), (34318, 579005), (82715, 240226), (85795, 231602), (115801, 171590), (120113, 165430)]