18039736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 39989160

約数和(自身を除く): 21949424

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1213, 1352, 1859, 2426, 3718, 4852, 7436, 9704, 13343, 14872, 15769, 26686, 31538, 53372, 63076, 106744, 126152, 173459, 204997, 346918, 409994, 693836, 819988, 1387672, 1639976, 2254967, 4509934, 9019868, 18039736]

約数ペア:

[(1, 18039736), (2, 9019868), (4, 4509934), (8, 2254967), (11, 1639976), (13, 1387672), (22, 819988), (26, 693836), (44, 409994), (52, 346918), (88, 204997), (104, 173459), (143, 126152), (169, 106744), (286, 63076), (338, 53372), (572, 31538), (676, 26686), (1144, 15769), (1213, 14872), (1352, 13343), (1859, 9704), (2426, 7436), (3718, 4852)]