18777011984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{479201}}^1$

素因数の和:479319

約数の個数: 40

約数和(自身を含む): 38029470720

約数和(自身を除く): 19252458736

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2449, 4898, 9796, 19592, 39184, 479201, 958402, 1916804, 3833608, 7667216, 14855231, 29710462, 37856879, 59420924, 75713758, 118841848, 151427516, 237683696, 302855032, 605710064, 1173563249, 2347126498, 4694252996, 9388505992, 18777011984]

約数ペア:

[(1, 18777011984), (2, 9388505992), (4, 4694252996), (8, 2347126498), (16, 1173563249), (31, 605710064), (62, 302855032), (79, 237683696), (124, 151427516), (158, 118841848), (248, 75713758), (316, 59420924), (496, 37856879), (632, 29710462), (1264, 14855231), (2449, 7667216), (4898, 3833608), (9796, 1916804), (19592, 958402), (39184, 479201)]