18240304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2125

約数の個数: 40

約数和(自身を含む): 38502000

約数和(自身を除く): 20261696

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2069, 2204, 4138, 4408, 8276, 8816, 16552, 33104, 39311, 60001, 78622, 120002, 157244, 240004, 314488, 480008, 628976, 960016, 1140019, 2280038, 4560076, 9120152, 18240304]

約数ペア:

[(1, 18240304), (2, 9120152), (4, 4560076), (8, 2280038), (16, 1140019), (19, 960016), (29, 628976), (38, 480008), (58, 314488), (76, 240004), (116, 157244), (152, 120002), (232, 78622), (304, 60001), (464, 39311), (551, 33104), (1102, 16552), (2069, 8816), (2204, 8276), (4138, 4408)]