18389536

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 21617984

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 587, 712, 979, 1174, 1424, 1958, 2348, 2848, 3916, 4696, 6457, 7832, 9392, 12914, 15664, 18784, 25828, 31328, 51656, 52243, 103312, 104486, 206624, 208972, 417944, 574673, 835888, 1149346, 1671776, 2298692, 4597384, 9194768, 18389536]

約数ペア:

[(1, 18389536), (2, 9194768), (4, 4597384), (8, 2298692), (11, 1671776), (16, 1149346), (22, 835888), (32, 574673), (44, 417944), (88, 208972), (89, 206624), (176, 104486), (178, 103312), (352, 52243), (356, 51656), (587, 31328), (712, 25828), (979, 18784), (1174, 15664), (1424, 12914), (1958, 9392), (2348, 7832), (2848, 6457), (3916, 4696)]