18958912

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 24566528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 419, 448, 707, 808, 838, 1414, 1616, 1676, 2828, 2933, 3232, 3352, 5656, 5866, 6464, 6704, 11312, 11732, 13408, 22624, 23464, 26816, 42319, 45248, 46928, 84638, 93856, 169276, 187712, 296233, 338552, 592466, 677104, 1184932, 1354208, 2369864, 2708416, 4739728, 9479456, 18958912]

約数ペア:

[(1, 18958912), (2, 9479456), (4, 4739728), (7, 2708416), (8, 2369864), (14, 1354208), (16, 1184932), (28, 677104), (32, 592466), (56, 338552), (64, 296233), (101, 187712), (112, 169276), (202, 93856), (224, 84638), (404, 46928), (419, 45248), (448, 42319), (707, 26816), (808, 23464), (838, 22624), (1414, 13408), (1616, 11732), (1676, 11312), (2828, 6704), (2933, 6464), (3232, 5866), (3352, 5656)]