201814971590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1223}}^1\times {\mathrm{1667}}^1$

素因数の和:3437

約数の個数: 64

約数和(自身を含む): 383663485440

約数和(自身を除く): 181848513850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 521, 1042, 1223, 1667, 2446, 2605, 3334, 5210, 6115, 8335, 9899, 12230, 16670, 19798, 23237, 31673, 46474, 49495, 63346, 98990, 116185, 158365, 232370, 316730, 637183, 868507, 1274366, 1737014, 2038741, 3185915, 4077482, 4342535, 6371830, 8685070, 10193705, 12106477, 16501633, 20387410, 24212954, 33003266, 38736079, 60532385, 77472158, 82508165, 121064770, 165016330, 193680395, 387360790, 1062184061, 2124368122, 5310920305, 10621840610, 20181497159, 40362994318, 100907485795, 201814971590]

約数ペア:

[(1, 201814971590), (2, 100907485795), (5, 40362994318), (10, 20181497159), (19, 10621840610), (38, 5310920305), (95, 2124368122), (190, 1062184061), (521, 387360790), (1042, 193680395), (1223, 165016330), (1667, 121064770), (2446, 82508165), (2605, 77472158), (3334, 60532385), (5210, 38736079), (6115, 33003266), (8335, 24212954), (9899, 20387410), (12230, 16501633), (16670, 12106477), (19798, 10193705), (23237, 8685070), (31673, 6371830), (46474, 4342535), (49495, 4077482), (63346, 3185915), (98990, 2038741), (116185, 1737014), (158365, 1274366), (232370, 868507), (316730, 637183)]