18912972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2957}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 48700512

約数和(自身を除く): 29787540

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 2957, 3198, 5914, 6396, 8871, 11828, 17742, 35484, 38441, 76882, 115323, 121237, 153764, 230646, 242474, 363711, 461292, 484948, 727422, 1454844, 1576081, 3152162, 4728243, 6304324, 9456486, 18912972]

約数ペア:

[(1, 18912972), (2, 9456486), (3, 6304324), (4, 4728243), (6, 3152162), (12, 1576081), (13, 1454844), (26, 727422), (39, 484948), (41, 461292), (52, 363711), (78, 242474), (82, 230646), (123, 153764), (156, 121237), (164, 115323), (246, 76882), (492, 38441), (533, 35484), (1066, 17742), (1599, 11828), (2132, 8871), (2957, 6396), (3198, 5914)]