19458816

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 55801200

約数和(自身を除く): 36342384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1949, 2496, 3328, 3898, 4992, 5847, 7796, 9984, 11694, 15592, 23388, 25337, 31184, 46776, 50674, 62368, 76011, 93552, 101348, 124736, 152022, 187104, 202696, 249472, 304044, 374208, 405392, 498944, 608088, 748416, 810784, 1216176, 1496832, 1621568, 2432352, 3243136, 4864704, 6486272, 9729408, 19458816]

約数ペア:

[(1, 19458816), (2, 9729408), (3, 6486272), (4, 4864704), (6, 3243136), (8, 2432352), (12, 1621568), (13, 1496832), (16, 1216176), (24, 810784), (26, 748416), (32, 608088), (39, 498944), (48, 405392), (52, 374208), (64, 304044), (78, 249472), (96, 202696), (104, 187104), (128, 152022), (156, 124736), (192, 101348), (208, 93552), (256, 76011), (312, 62368), (384, 50674), (416, 46776), (624, 31184), (768, 25337), (832, 23388), (1248, 15592), (1664, 11694), (1949, 9984), (2496, 7796), (3328, 5847), (3898, 4992)]