18660888

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4581

約数の個数: 64

約数和(自身を含む): 54576000

約数和(自身を除く): 35915112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 4547, 9094, 13641, 18188, 27282, 36376, 40923, 54564, 81846, 86393, 109128, 122769, 163692, 172786, 245538, 259179, 327384, 345572, 491076, 518358, 691144, 777537, 982152, 1036716, 1555074, 2073432, 2332611, 3110148, 4665222, 6220296, 9330444, 18660888]

約数ペア:

[(1, 18660888), (2, 9330444), (3, 6220296), (4, 4665222), (6, 3110148), (8, 2332611), (9, 2073432), (12, 1555074), (18, 1036716), (19, 982152), (24, 777537), (27, 691144), (36, 518358), (38, 491076), (54, 345572), (57, 327384), (72, 259179), (76, 245538), (108, 172786), (114, 163692), (152, 122769), (171, 109128), (216, 86393), (228, 81846), (342, 54564), (456, 40923), (513, 36376), (684, 27282), (1026, 18188), (1368, 13641), (2052, 9094), (4104, 4547)]