18218232

素因数分解:

$2^3\times 3^2\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 49542480

約数和(自身を除く): 31324248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 401, 631, 802, 1203, 1262, 1604, 1893, 2406, 2524, 3208, 3609, 3786, 4812, 5048, 5679, 7218, 7572, 9624, 11358, 14436, 15144, 22716, 28872, 45432, 253031, 506062, 759093, 1012124, 1518186, 2024248, 2277279, 3036372, 4554558, 6072744, 9109116, 18218232]

約数ペア:

[(1, 18218232), (2, 9109116), (3, 6072744), (4, 4554558), (6, 3036372), (8, 2277279), (9, 2024248), (12, 1518186), (18, 1012124), (24, 759093), (36, 506062), (72, 253031), (401, 45432), (631, 28872), (802, 22716), (1203, 15144), (1262, 14436), (1604, 11358), (1893, 9624), (2406, 7572), (2524, 7218), (3208, 5679), (3609, 5048), (3786, 4812)]