18259290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9661}}^1$

素因数の和:9684

約数の個数: 64

約数和(自身を含む): 55653120

約数和(自身を除く): 37393830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9661, 19322, 28983, 48305, 57966, 67627, 86949, 96610, 135254, 144915, 173898, 202881, 260847, 289830, 338135, 405762, 434745, 521694, 608643, 676270, 869490, 1014405, 1217286, 1304235, 1825929, 2028810, 2608470, 3043215, 3651858, 6086430, 9129645, 18259290]

約数ペア:

[(1, 18259290), (2, 9129645), (3, 6086430), (5, 3651858), (6, 3043215), (7, 2608470), (9, 2028810), (10, 1825929), (14, 1304235), (15, 1217286), (18, 1014405), (21, 869490), (27, 676270), (30, 608643), (35, 521694), (42, 434745), (45, 405762), (54, 338135), (63, 289830), (70, 260847), (90, 202881), (105, 173898), (126, 144915), (135, 135254), (189, 96610), (210, 86949), (270, 67627), (315, 57966), (378, 48305), (630, 28983), (945, 19322), (1890, 9661)]