17994858

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 42364224

約数和(自身を除く): 24369366

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 631, 679, 1262, 1358, 1893, 2037, 3786, 4074, 4417, 4753, 8834, 9506, 13251, 14259, 26502, 28518, 30919, 61207, 61838, 92757, 122414, 183621, 185514, 367242, 428449, 856898, 1285347, 2570694, 2999143, 5998286, 8997429, 17994858]

約数ペア:

[(1, 17994858), (2, 8997429), (3, 5998286), (6, 2999143), (7, 2570694), (14, 1285347), (21, 856898), (42, 428449), (49, 367242), (97, 185514), (98, 183621), (147, 122414), (194, 92757), (291, 61838), (294, 61207), (582, 30919), (631, 28518), (679, 26502), (1262, 14259), (1358, 13251), (1893, 9506), (2037, 8834), (3786, 4753), (4074, 4417)]