19501960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13177}}^1$

素因数の和:13225

約数の個数: 32

約数和(自身を含む): 45068760

約数和(自身を除く): 25566800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13177, 26354, 52708, 65885, 105416, 131770, 263540, 487549, 527080, 975098, 1950196, 2437745, 3900392, 4875490, 9750980, 19501960]

約数ペア:

[(1, 19501960), (2, 9750980), (4, 4875490), (5, 3900392), (8, 2437745), (10, 1950196), (20, 975098), (37, 527080), (40, 487549), (74, 263540), (148, 131770), (185, 105416), (296, 65885), (370, 52708), (740, 26354), (1480, 13177)]