17998156923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{26141}}^1$

素因数の和:26467

約数の個数: 32

約数和(自身を含む): 25899402240

約数和(自身を除く): 7901245317

約数列:

[1, 3, 19, 47, 57, 141, 257, 771, 893, 2679, 4883, 12079, 14649, 26141, 36237, 78423, 229501, 496679, 688503, 1228627, 1490037, 3685881, 6718237, 20154711, 23343913, 70031739, 127646503, 315757139, 382939509, 947271417, 5999385641, 17998156923]

約数ペア:

[(1, 17998156923), (3, 5999385641), (19, 947271417), (47, 382939509), (57, 315757139), (141, 127646503), (257, 70031739), (771, 23343913), (893, 20154711), (2679, 6718237), (4883, 3685881), (12079, 1490037), (14649, 1228627), (26141, 688503), (36237, 496679), (78423, 229501)]