19469488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21777872

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2309, 4216, 4618, 8432, 9236, 18472, 36944, 39253, 71579, 78506, 143158, 157012, 286316, 314024, 572632, 628048, 1145264, 1216843, 2433686, 4867372, 9734744, 19469488]

約数ペア:

[(1, 19469488), (2, 9734744), (4, 4867372), (8, 2433686), (16, 1216843), (17, 1145264), (31, 628048), (34, 572632), (62, 314024), (68, 286316), (124, 157012), (136, 143158), (248, 78506), (272, 71579), (496, 39253), (527, 36944), (1054, 18472), (2108, 9236), (2309, 8432), (4216, 4618)]