19721570358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{42299}}^1$

素因数の和:42981

約数の個数: 64

約数和(自身を含む): 47803737600

約数和(自身を除く): 28082167242

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 653, 714, 1306, 1959, 3918, 4571, 9142, 11101, 13713, 22202, 27426, 33303, 42299, 66606, 77707, 84598, 126897, 155414, 233121, 253794, 296093, 466242, 592186, 719083, 888279, 1438166, 1776558, 2157249, 4314498, 5033581, 10067162, 15100743, 27621247, 30201486, 55242494, 82863741, 165727482, 193348729, 386697458, 469561199, 580046187, 939122398, 1160092374, 1408683597, 2817367194, 3286928393, 6573856786, 9860785179, 19721570358]

約数ペア:

[(1, 19721570358), (2, 9860785179), (3, 6573856786), (6, 3286928393), (7, 2817367194), (14, 1408683597), (17, 1160092374), (21, 939122398), (34, 580046187), (42, 469561199), (51, 386697458), (102, 193348729), (119, 165727482), (238, 82863741), (357, 55242494), (653, 30201486), (714, 27621247), (1306, 15100743), (1959, 10067162), (3918, 5033581), (4571, 4314498), (9142, 2157249), (11101, 1776558), (13713, 1438166), (22202, 888279), (27426, 719083), (33303, 592186), (42299, 466242), (66606, 296093), (77707, 253794), (84598, 233121), (126897, 155414)]