18795186

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 44870400

約数和(自身を除く): 26075214

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 409, 414, 621, 666, 818, 851, 999, 1227, 1242, 1702, 1998, 2454, 2553, 3681, 5106, 7362, 7659, 9407, 11043, 15133, 15318, 18814, 22086, 22977, 28221, 30266, 45399, 45954, 56442, 84663, 90798, 136197, 169326, 253989, 272394, 348059, 408591, 507978, 696118, 817182, 1044177, 2088354, 3132531, 6265062, 9397593, 18795186]

約数ペア:

[(1, 18795186), (2, 9397593), (3, 6265062), (6, 3132531), (9, 2088354), (18, 1044177), (23, 817182), (27, 696118), (37, 507978), (46, 408591), (54, 348059), (69, 272394), (74, 253989), (111, 169326), (138, 136197), (207, 90798), (222, 84663), (333, 56442), (409, 45954), (414, 45399), (621, 30266), (666, 28221), (818, 22977), (851, 22086), (999, 18814), (1227, 15318), (1242, 15133), (1702, 11043), (1998, 9407), (2454, 7659), (2553, 7362), (3681, 5106)]