9816920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12947

約数の個数: 32

約数和(自身を含む): 23252400

約数和(自身を除く): 13435480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 12917, 25834, 51668, 64585, 103336, 129170, 245423, 258340, 490846, 516680, 981692, 1227115, 1963384, 2454230, 4908460, 9816920]

約数ペア:

[(1, 9816920), (2, 4908460), (4, 2454230), (5, 1963384), (8, 1227115), (10, 981692), (19, 516680), (20, 490846), (38, 258340), (40, 245423), (76, 129170), (95, 103336), (152, 64585), (190, 51668), (380, 25834), (760, 12917)]