19691072

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3457}}^1$

素因数の和:3558

約数の個数: 28

約数和(自身を含む): 39524940

約数和(自身を除く): 19833868

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3457, 5696, 6914, 13828, 27656, 55312, 110624, 221248, 307673, 615346, 1230692, 2461384, 4922768, 9845536, 19691072]

約数ペア:

[(1, 19691072), (2, 9845536), (4, 4922768), (8, 2461384), (16, 1230692), (32, 615346), (64, 307673), (89, 221248), (178, 110624), (356, 55312), (712, 27656), (1424, 13828), (2848, 6914), (3457, 5696)]