19381700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 48012552

約数和(自身を除く): 28630852

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 877, 884, 1105, 1300, 1700, 1754, 2210, 3508, 4385, 4420, 5525, 8770, 11050, 11401, 14909, 17540, 21925, 22100, 22802, 29818, 43850, 45604, 57005, 59636, 74545, 87700, 114010, 149090, 193817, 228020, 285025, 298180, 372725, 387634, 570050, 745450, 775268, 969085, 1140100, 1490900, 1938170, 3876340, 4845425, 9690850, 19381700]

約数ペア:

[(1, 19381700), (2, 9690850), (4, 4845425), (5, 3876340), (10, 1938170), (13, 1490900), (17, 1140100), (20, 969085), (25, 775268), (26, 745450), (34, 570050), (50, 387634), (52, 372725), (65, 298180), (68, 285025), (85, 228020), (100, 193817), (130, 149090), (170, 114010), (221, 87700), (260, 74545), (325, 59636), (340, 57005), (425, 45604), (442, 43850), (650, 29818), (850, 22802), (877, 22100), (884, 21925), (1105, 17540), (1300, 14909), (1700, 11401), (1754, 11050), (2210, 8770), (3508, 5525), (4385, 4420)]