19616792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22719208

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 59, 92, 104, 118, 139, 184, 236, 278, 299, 472, 556, 598, 767, 1112, 1196, 1357, 1534, 1807, 2392, 2714, 3068, 3197, 3614, 5428, 6136, 6394, 7228, 8201, 10856, 12788, 14456, 16402, 17641, 25576, 32804, 35282, 41561, 65608, 70564, 83122, 106613, 141128, 166244, 188623, 213226, 332488, 377246, 426452, 754492, 852904, 1508984, 2452099, 4904198, 9808396, 19616792]

約数ペア:

[(1, 19616792), (2, 9808396), (4, 4904198), (8, 2452099), (13, 1508984), (23, 852904), (26, 754492), (46, 426452), (52, 377246), (59, 332488), (92, 213226), (104, 188623), (118, 166244), (139, 141128), (184, 106613), (236, 83122), (278, 70564), (299, 65608), (472, 41561), (556, 35282), (598, 32804), (767, 25576), (1112, 17641), (1196, 16402), (1357, 14456), (1534, 12788), (1807, 10856), (2392, 8201), (2714, 7228), (3068, 6394), (3197, 6136), (3614, 5428)]