18197296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 38435040

約数和(自身を除く): 20237744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 983, 1157, 1424, 1966, 2314, 3932, 4628, 7864, 9256, 12779, 15728, 18512, 25558, 51116, 87487, 102232, 174974, 204464, 349948, 699896, 1137331, 1399792, 2274662, 4549324, 9098648, 18197296]

約数ペア:

[(1, 18197296), (2, 9098648), (4, 4549324), (8, 2274662), (13, 1399792), (16, 1137331), (26, 699896), (52, 349948), (89, 204464), (104, 174974), (178, 102232), (208, 87487), (356, 51116), (712, 25558), (983, 18512), (1157, 15728), (1424, 12779), (1966, 9256), (2314, 7864), (3932, 4628)]