19515216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^2$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 57856416

約数和(自身を除く): 38341200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 336, 482, 723, 964, 1446, 1687, 1928, 2892, 3374, 3856, 5061, 5784, 6748, 10122, 11568, 13496, 20244, 26992, 40488, 58081, 80976, 116162, 174243, 232324, 348486, 406567, 464648, 696972, 813134, 929296, 1219701, 1393944, 1626268, 2439402, 2787888, 3252536, 4878804, 6505072, 9757608, 19515216]

約数ペア:

[(1, 19515216), (2, 9757608), (3, 6505072), (4, 4878804), (6, 3252536), (7, 2787888), (8, 2439402), (12, 1626268), (14, 1393944), (16, 1219701), (21, 929296), (24, 813134), (28, 696972), (42, 464648), (48, 406567), (56, 348486), (84, 232324), (112, 174243), (168, 116162), (241, 80976), (336, 58081), (482, 40488), (723, 26992), (964, 20244), (1446, 13496), (1687, 11568), (1928, 10122), (2892, 6748), (3374, 5784), (3856, 5061)]