19443618

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 44417760

約数和(自身を除く): 24974142

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 163, 282, 326, 423, 489, 846, 978, 1269, 1467, 2209, 2538, 2934, 4401, 4418, 6627, 7661, 8802, 13254, 15322, 19881, 22983, 39762, 45966, 59643, 68949, 119286, 137898, 206847, 360067, 413694, 720134, 1080201, 2160402, 3240603, 6481206, 9721809, 19443618]

約数ペア:

[(1, 19443618), (2, 9721809), (3, 6481206), (6, 3240603), (9, 2160402), (18, 1080201), (27, 720134), (47, 413694), (54, 360067), (94, 206847), (141, 137898), (163, 119286), (282, 68949), (326, 59643), (423, 45966), (489, 39762), (846, 22983), (978, 19881), (1269, 15322), (1467, 13254), (2209, 8802), (2538, 7661), (2934, 6627), (4401, 4418)]