19609472

素因数分解:

$2^7\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 39290400

約数和(自身を除く): 19680928

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 641, 956, 1282, 1912, 2564, 3824, 5128, 7648, 10256, 15296, 20512, 30592, 41024, 82048, 153199, 306398, 612796, 1225592, 2451184, 4902368, 9804736, 19609472]

約数ペア:

[(1, 19609472), (2, 9804736), (4, 4902368), (8, 2451184), (16, 1225592), (32, 612796), (64, 306398), (128, 153199), (239, 82048), (478, 41024), (641, 30592), (956, 20512), (1282, 15296), (1912, 10256), (2564, 7648), (3824, 5128)]