18271910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 33782400

約数和(自身を除く): 15510490

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 229, 395, 458, 505, 790, 1010, 1145, 2290, 7979, 15958, 18091, 23129, 36182, 39895, 46258, 79790, 90455, 115645, 180910, 231290, 1827191, 3654382, 9135955, 18271910]

約数ペア:

[(1, 18271910), (2, 9135955), (5, 3654382), (10, 1827191), (79, 231290), (101, 180910), (158, 115645), (202, 90455), (229, 79790), (395, 46258), (458, 39895), (505, 36182), (790, 23129), (1010, 18091), (1145, 15958), (2290, 7979)]