18904908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 29527476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 727, 788, 1182, 1454, 2167, 2181, 2364, 2908, 4334, 4362, 6501, 7997, 8668, 8724, 13002, 15994, 23991, 26004, 31988, 47982, 95964, 143219, 286438, 429657, 572876, 859314, 1575409, 1718628, 3150818, 4726227, 6301636, 9452454, 18904908]

約数ペア:

[(1, 18904908), (2, 9452454), (3, 6301636), (4, 4726227), (6, 3150818), (11, 1718628), (12, 1575409), (22, 859314), (33, 572876), (44, 429657), (66, 286438), (132, 143219), (197, 95964), (394, 47982), (591, 31988), (727, 26004), (788, 23991), (1182, 15994), (1454, 13002), (2167, 8724), (2181, 8668), (2364, 7997), (2908, 6501), (4334, 4362)]