18778202364159

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{72930439}}^1$

素因数の和:72930580

約数の個数: 48

約数和(自身を含む): 31977372444160

約数和(自身を除く): 13199170080001

約数列:

[1, 3, 7, 9, 21, 61, 63, 67, 183, 201, 427, 469, 549, 603, 1281, 1407, 3843, 4087, 4221, 12261, 28609, 36783, 85827, 257481, 72930439, 218791317, 510513073, 656373951, 1531539219, 4448756779, 4594617657, 4886339413, 13346270337, 14659018239, 31141297453, 34204375891, 40038811011, 43977054717, 93423892359, 102613127673, 280271677077, 298066704193, 307839383019, 894200112579, 2086466929351, 2682600337737, 6259400788053, 18778202364159]

約数ペア:

[(1, 18778202364159), (3, 6259400788053), (7, 2682600337737), (9, 2086466929351), (21, 894200112579), (61, 307839383019), (63, 298066704193), (67, 280271677077), (183, 102613127673), (201, 93423892359), (427, 43977054717), (469, 40038811011), (549, 34204375891), (603, 31141297453), (1281, 14659018239), (1407, 13346270337), (3843, 4886339413), (4087, 4594617657), (4221, 4448756779), (12261, 1531539219), (28609, 656373951), (36783, 510513073), (85827, 218791317), (257481, 72930439)]