18226016

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 20803744

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 967, 992, 1178, 1934, 2356, 3868, 4712, 7736, 9424, 15472, 18373, 18848, 29977, 30944, 36746, 59954, 73492, 119908, 146984, 239816, 293968, 479632, 569563, 587936, 959264, 1139126, 2278252, 4556504, 9113008, 18226016]

約数ペア:

[(1, 18226016), (2, 9113008), (4, 4556504), (8, 2278252), (16, 1139126), (19, 959264), (31, 587936), (32, 569563), (38, 479632), (62, 293968), (76, 239816), (124, 146984), (152, 119908), (248, 73492), (304, 59954), (496, 36746), (589, 30944), (608, 29977), (967, 18848), (992, 18373), (1178, 15472), (1934, 9424), (2356, 7736), (3868, 4712)]