15560772

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 38572800

約数和(自身を除く): 23012028

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 491, 556, 834, 982, 1473, 1668, 1964, 2641, 2946, 5282, 5892, 7923, 9329, 10564, 15846, 18658, 27987, 31692, 37316, 55974, 68249, 111948, 136498, 204747, 272996, 409494, 818988, 1296731, 2593462, 3890193, 5186924, 7780386, 15560772]

約数ペア:

[(1, 15560772), (2, 7780386), (3, 5186924), (4, 3890193), (6, 2593462), (12, 1296731), (19, 818988), (38, 409494), (57, 272996), (76, 204747), (114, 136498), (139, 111948), (228, 68249), (278, 55974), (417, 37316), (491, 31692), (556, 27987), (834, 18658), (982, 15846), (1473, 10564), (1668, 9329), (1964, 7923), (2641, 5892), (2946, 5282)]