18388614712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{7351}}^1$

素因数の和:7796

約数の個数: 64

約数和(自身を含む): 37795161600

約数和(自身を除く): 19406546888

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 359, 536, 718, 871, 1436, 1742, 2872, 3484, 4667, 6968, 7351, 9334, 14702, 18668, 24053, 29404, 37336, 48106, 58808, 95563, 96212, 191126, 192424, 312689, 382252, 492517, 625378, 764504, 985034, 1250756, 1970068, 2501512, 2639009, 3940136, 5278018, 6402721, 10556036, 12805442, 21112072, 25610884, 34307117, 51221768, 68614234, 137228468, 176813603, 274456936, 353627206, 707254412, 1414508824, 2298576839, 4597153678, 9194307356, 18388614712]

約数ペア:

[(1, 18388614712), (2, 9194307356), (4, 4597153678), (8, 2298576839), (13, 1414508824), (26, 707254412), (52, 353627206), (67, 274456936), (104, 176813603), (134, 137228468), (268, 68614234), (359, 51221768), (536, 34307117), (718, 25610884), (871, 21112072), (1436, 12805442), (1742, 10556036), (2872, 6402721), (3484, 5278018), (4667, 3940136), (6968, 2639009), (7351, 2501512), (9334, 1970068), (14702, 1250756), (18668, 985034), (24053, 764504), (29404, 625378), (37336, 492517), (48106, 382252), (58808, 312689), (95563, 192424), (96212, 191126)]