11801990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 22438080

約数和(自身を除く): 10636090

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 529, 970, 1058, 2231, 2645, 4462, 5290, 11155, 12167, 22310, 24334, 51313, 60835, 102626, 121670, 256565, 513130, 1180199, 2360398, 5900995, 11801990]

約数ペア:

[(1, 11801990), (2, 5900995), (5, 2360398), (10, 1180199), (23, 513130), (46, 256565), (97, 121670), (115, 102626), (194, 60835), (230, 51313), (485, 24334), (529, 22310), (970, 12167), (1058, 11155), (2231, 5290), (2645, 4462)]