18771808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3137}}^1$

素因数の和:3175

約数の個数: 48

約数和(自身を含む): 42701904

約数和(自身を除く): 23930096

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3137, 5984, 6274, 12548, 25096, 34507, 50192, 53329, 69014, 100384, 106658, 138028, 213316, 276056, 426632, 552112, 586619, 853264, 1104224, 1173238, 1706528, 2346476, 4692952, 9385904, 18771808]

約数ペア:

[(1, 18771808), (2, 9385904), (4, 4692952), (8, 2346476), (11, 1706528), (16, 1173238), (17, 1104224), (22, 853264), (32, 586619), (34, 552112), (44, 426632), (68, 276056), (88, 213316), (136, 138028), (176, 106658), (187, 100384), (272, 69014), (352, 53329), (374, 50192), (544, 34507), (748, 25096), (1496, 12548), (2992, 6274), (3137, 5984)]