19972152

素因数分解:

$2^3\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1151}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 34390728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 241, 482, 723, 964, 1151, 1446, 1928, 2169, 2302, 2892, 3453, 4338, 4604, 5784, 6906, 8676, 9208, 10359, 13812, 17352, 20718, 27624, 41436, 82872, 277391, 554782, 832173, 1109564, 1664346, 2219128, 2496519, 3328692, 4993038, 6657384, 9986076, 19972152]

約数ペア:

[(1, 19972152), (2, 9986076), (3, 6657384), (4, 4993038), (6, 3328692), (8, 2496519), (9, 2219128), (12, 1664346), (18, 1109564), (24, 832173), (36, 554782), (72, 277391), (241, 82872), (482, 41436), (723, 27624), (964, 20718), (1151, 17352), (1446, 13812), (1928, 10359), (2169, 9208), (2302, 8676), (2892, 6906), (3453, 5784), (4338, 4604)]