18187434

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 23326038

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 197, 207, 223, 394, 414, 446, 591, 669, 1182, 1338, 1773, 2007, 3546, 4014, 4531, 5129, 9062, 10258, 13593, 15387, 27186, 30774, 40779, 43931, 46161, 81558, 87862, 92322, 131793, 263586, 395379, 790758, 1010413, 2020826, 3031239, 6062478, 9093717, 18187434]

約数ペア:

[(1, 18187434), (2, 9093717), (3, 6062478), (6, 3031239), (9, 2020826), (18, 1010413), (23, 790758), (46, 395379), (69, 263586), (138, 131793), (197, 92322), (207, 87862), (223, 81558), (394, 46161), (414, 43931), (446, 40779), (591, 30774), (669, 27186), (1182, 15387), (1338, 13593), (1773, 10258), (2007, 9062), (3546, 5129), (4014, 4531)]