19216428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2971}}^1$

素因数の和:3003

約数の個数: 72

約数和(自身を含む): 56919744

約数和(自身を除く): 37703316

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 2971, 3234, 5942, 6468, 8913, 11884, 17826, 20797, 32681, 35652, 41594, 62391, 65362, 83188, 98043, 124782, 130724, 145579, 196086, 228767, 249564, 291158, 392172, 436737, 457534, 582316, 686301, 873474, 915068, 1372602, 1601369, 1746948, 2745204, 3202738, 4804107, 6405476, 9608214, 19216428]

約数ペア:

[(1, 19216428), (2, 9608214), (3, 6405476), (4, 4804107), (6, 3202738), (7, 2745204), (11, 1746948), (12, 1601369), (14, 1372602), (21, 915068), (22, 873474), (28, 686301), (33, 582316), (42, 457534), (44, 436737), (49, 392172), (66, 291158), (77, 249564), (84, 228767), (98, 196086), (132, 145579), (147, 130724), (154, 124782), (196, 98043), (231, 83188), (294, 65362), (308, 62391), (462, 41594), (539, 35652), (588, 32681), (924, 20797), (1078, 17826), (1617, 11884), (2156, 8913), (2971, 6468), (3234, 5942)]