19927212370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1\times {\mathrm{2423}}^1$

素因数の和:4027

約数の個数: 64

約数和(自身を含む): 39612271104

約数和(自身を除く): 19685058734

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 1543, 2423, 2665, 3086, 4846, 5330, 7715, 12115, 15430, 20059, 24230, 31499, 40118, 62998, 63263, 99343, 100295, 126526, 157495, 198686, 200590, 314990, 316315, 496715, 632630, 822419, 993430, 1291459, 1644838, 2582918, 3738689, 4112095, 6457295, 7477378, 8224190, 12914590, 18693445, 37386890, 48602957, 97205914, 153286249, 243014785, 306572498, 486029570, 766431245, 1532862490, 1992721237, 3985442474, 9963606185, 19927212370]

約数ペア:

[(1, 19927212370), (2, 9963606185), (5, 3985442474), (10, 1992721237), (13, 1532862490), (26, 766431245), (41, 486029570), (65, 306572498), (82, 243014785), (130, 153286249), (205, 97205914), (410, 48602957), (533, 37386890), (1066, 18693445), (1543, 12914590), (2423, 8224190), (2665, 7477378), (3086, 6457295), (4846, 4112095), (5330, 3738689), (7715, 2582918), (12115, 1644838), (15430, 1291459), (20059, 993430), (24230, 822419), (31499, 632630), (40118, 496715), (62998, 316315), (63263, 314990), (99343, 200590), (100295, 198686), (126526, 157495)]