18900592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:893

約数の個数: 40

約数和(自身を含む): 39084800

約数和(自身を除く): 20184208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 632, 787, 1264, 1501, 1574, 3002, 3148, 6004, 6296, 12008, 12592, 14953, 24016, 29906, 59812, 62173, 119624, 124346, 239248, 248692, 497384, 994768, 1181287, 2362574, 4725148, 9450296, 18900592]

約数ペア:

[(1, 18900592), (2, 9450296), (4, 4725148), (8, 2362574), (16, 1181287), (19, 994768), (38, 497384), (76, 248692), (79, 239248), (152, 124346), (158, 119624), (304, 62173), (316, 59812), (632, 29906), (787, 24016), (1264, 14953), (1501, 12592), (1574, 12008), (3002, 6296), (3148, 6004)]