19918962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1399}}^1$

素因数の和:1527

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 29876238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1399, 1582, 2034, 2373, 2798, 4197, 4746, 7119, 8394, 9793, 12591, 14238, 19586, 25182, 29379, 58758, 88137, 158087, 176274, 316174, 474261, 948522, 1106609, 1422783, 2213218, 2845566, 3319827, 6639654, 9959481, 19918962]

約数ペア:

[(1, 19918962), (2, 9959481), (3, 6639654), (6, 3319827), (7, 2845566), (9, 2213218), (14, 1422783), (18, 1106609), (21, 948522), (42, 474261), (63, 316174), (113, 176274), (126, 158087), (226, 88137), (339, 58758), (678, 29379), (791, 25182), (1017, 19586), (1399, 14238), (1582, 12591), (2034, 9793), (2373, 8394), (2798, 7119), (4197, 4746)]