19510160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7911

約数の個数: 40

約数和(自身を含む): 46830336

約数和(自身を除く): 27320176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7867, 15734, 31468, 39335, 62936, 78670, 125872, 157340, 243877, 314680, 487754, 629360, 975508, 1219385, 1951016, 2438770, 3902032, 4877540, 9755080, 19510160]

約数ペア:

[(1, 19510160), (2, 9755080), (4, 4877540), (5, 3902032), (8, 2438770), (10, 1951016), (16, 1219385), (20, 975508), (31, 629360), (40, 487754), (62, 314680), (80, 243877), (124, 157340), (155, 125872), (248, 78670), (310, 62936), (496, 39335), (620, 31468), (1240, 15734), (2480, 7867)]