18955524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 32065404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 339, 452, 678, 791, 1356, 1582, 1997, 2373, 3164, 3994, 4746, 5991, 7988, 9492, 11982, 13979, 23964, 27958, 41937, 55916, 83874, 167748, 225661, 451322, 676983, 902644, 1353966, 1579627, 2707932, 3159254, 4738881, 6318508, 9477762, 18955524]

約数ペア:

[(1, 18955524), (2, 9477762), (3, 6318508), (4, 4738881), (6, 3159254), (7, 2707932), (12, 1579627), (14, 1353966), (21, 902644), (28, 676983), (42, 451322), (84, 225661), (113, 167748), (226, 83874), (339, 55916), (452, 41937), (678, 27958), (791, 23964), (1356, 13979), (1582, 11982), (1997, 9492), (2373, 7988), (3164, 5991), (3994, 4746)]