18932536

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2269}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 40860000

約数和(自身を除く): 21927464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2269, 4172, 4538, 8344, 9076, 15883, 18152, 31766, 63532, 127064, 338081, 676162, 1352324, 2366567, 2704648, 4733134, 9466268, 18932536]

約数ペア:

[(1, 18932536), (2, 9466268), (4, 4733134), (7, 2704648), (8, 2366567), (14, 1352324), (28, 676162), (56, 338081), (149, 127064), (298, 63532), (596, 31766), (1043, 18152), (1192, 15883), (2086, 9076), (2269, 8344), (4172, 4538)]