18138768

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{19889}}^1$

素因数の和:19919

約数の個数: 40

約数和(自身を含む): 49327200

約数和(自身を除く): 31188432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 19889, 39778, 59667, 79556, 119334, 159112, 238668, 318224, 377891, 477336, 755782, 954672, 1133673, 1511564, 2267346, 3023128, 4534692, 6046256, 9069384, 18138768]

約数ペア:

[(1, 18138768), (2, 9069384), (3, 6046256), (4, 4534692), (6, 3023128), (8, 2267346), (12, 1511564), (16, 1133673), (19, 954672), (24, 755782), (38, 477336), (48, 377891), (57, 318224), (76, 238668), (114, 159112), (152, 119334), (228, 79556), (304, 59667), (456, 39778), (912, 19889)]