18187552

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 38556000

約数和(自身を除く): 20368448

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 134, 136, 268, 272, 499, 536, 544, 998, 1072, 1139, 1996, 2144, 2278, 3992, 4556, 7984, 8483, 9112, 15968, 16966, 18224, 33433, 33932, 36448, 66866, 67864, 133732, 135728, 267464, 271456, 534928, 568361, 1069856, 1136722, 2273444, 4546888, 9093776, 18187552]

約数ペア:

[(1, 18187552), (2, 9093776), (4, 4546888), (8, 2273444), (16, 1136722), (17, 1069856), (32, 568361), (34, 534928), (67, 271456), (68, 267464), (134, 135728), (136, 133732), (268, 67864), (272, 66866), (499, 36448), (536, 33932), (544, 33433), (998, 18224), (1072, 16966), (1139, 15968), (1996, 9112), (2144, 8483), (2278, 7984), (3992, 4556)]