18854480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10247}}^1$

素因数の和:10283

約数の個数: 40

約数和(自身を含む): 45747072

約数和(自身を除く): 26892592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10247, 20494, 40988, 51235, 81976, 102470, 163952, 204940, 235681, 409880, 471362, 819760, 942724, 1178405, 1885448, 2356810, 3770896, 4713620, 9427240, 18854480]

約数ペア:

[(1, 18854480), (2, 9427240), (4, 4713620), (5, 3770896), (8, 2356810), (10, 1885448), (16, 1178405), (20, 942724), (23, 819760), (40, 471362), (46, 409880), (80, 235681), (92, 204940), (115, 163952), (184, 102470), (230, 81976), (368, 51235), (460, 40988), (920, 20494), (1840, 10247)]