19814808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 54684000

約数和(自身を除く): 34869192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1549, 1599, 2132, 3098, 3198, 4264, 4647, 6196, 6396, 9294, 12392, 12792, 18588, 20137, 37176, 40274, 60411, 63509, 80548, 120822, 127018, 161096, 190527, 241644, 254036, 381054, 483288, 508072, 762108, 825617, 1524216, 1651234, 2476851, 3302468, 4953702, 6604936, 9907404, 19814808]

約数ペア:

[(1, 19814808), (2, 9907404), (3, 6604936), (4, 4953702), (6, 3302468), (8, 2476851), (12, 1651234), (13, 1524216), (24, 825617), (26, 762108), (39, 508072), (41, 483288), (52, 381054), (78, 254036), (82, 241644), (104, 190527), (123, 161096), (156, 127018), (164, 120822), (246, 80548), (312, 63509), (328, 60411), (492, 40274), (533, 37176), (984, 20137), (1066, 18588), (1549, 12792), (1599, 12392), (2132, 9294), (3098, 6396), (3198, 6196), (4264, 4647)]