16998618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 42319872

約数和(自身を除く): 25321254

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 163, 182, 191, 273, 326, 382, 489, 546, 573, 978, 1141, 1146, 1337, 2119, 2282, 2483, 2674, 3423, 4011, 4238, 4966, 6357, 6846, 7449, 8022, 12714, 14833, 14898, 17381, 29666, 31133, 34762, 44499, 52143, 62266, 88998, 93399, 104286, 186798, 217931, 404729, 435862, 653793, 809458, 1214187, 1307586, 2428374, 2833103, 5666206, 8499309, 16998618]

約数ペア:

[(1, 16998618), (2, 8499309), (3, 5666206), (6, 2833103), (7, 2428374), (13, 1307586), (14, 1214187), (21, 809458), (26, 653793), (39, 435862), (42, 404729), (78, 217931), (91, 186798), (163, 104286), (182, 93399), (191, 88998), (273, 62266), (326, 52143), (382, 44499), (489, 34762), (546, 31133), (573, 29666), (978, 17381), (1141, 14898), (1146, 14833), (1337, 12714), (2119, 8022), (2282, 7449), (2483, 6846), (2674, 6357), (3423, 4966), (4011, 4238)]