19401564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 56573440

約数和(自身を除く): 37171876

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 109, 156, 163, 182, 218, 273, 326, 327, 364, 436, 489, 546, 652, 654, 763, 978, 1092, 1141, 1308, 1417, 1526, 1956, 2119, 2282, 2289, 2834, 3052, 3423, 4238, 4251, 4564, 4578, 5668, 6357, 6846, 8476, 8502, 9156, 9919, 12714, 13692, 14833, 17004, 17767, 19838, 25428, 29666, 29757, 35534, 39676, 44499, 53301, 59332, 59514, 71068, 88998, 106602, 119028, 124369, 177996, 213204, 230971, 248738, 373107, 461942, 497476, 692913, 746214, 923884, 1385826, 1492428, 1616797, 2771652, 3233594, 4850391, 6467188, 9700782, 19401564]

約数ペア:

[(1, 19401564), (2, 9700782), (3, 6467188), (4, 4850391), (6, 3233594), (7, 2771652), (12, 1616797), (13, 1492428), (14, 1385826), (21, 923884), (26, 746214), (28, 692913), (39, 497476), (42, 461942), (52, 373107), (78, 248738), (84, 230971), (91, 213204), (109, 177996), (156, 124369), (163, 119028), (182, 106602), (218, 88998), (273, 71068), (326, 59514), (327, 59332), (364, 53301), (436, 44499), (489, 39676), (546, 35534), (652, 29757), (654, 29666), (763, 25428), (978, 19838), (1092, 17767), (1141, 17004), (1308, 14833), (1417, 13692), (1526, 12714), (1956, 9919), (2119, 9156), (2282, 8502), (2289, 8476), (2834, 6846), (3052, 6357), (3423, 5668), (4238, 4578), (4251, 4564)]