18550890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 49950720

約数和(自身を除く): 31399830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 541, 635, 762, 1082, 1143, 1270, 1623, 1905, 2286, 2705, 3246, 3429, 3810, 4869, 5410, 5715, 6858, 8115, 9738, 11430, 14607, 16230, 17145, 24345, 29214, 34290, 48690, 68707, 73035, 137414, 146070, 206121, 343535, 412242, 618363, 687070, 1030605, 1236726, 1855089, 2061210, 3091815, 3710178, 6183630, 9275445, 18550890]

約数ペア:

[(1, 18550890), (2, 9275445), (3, 6183630), (5, 3710178), (6, 3091815), (9, 2061210), (10, 1855089), (15, 1236726), (18, 1030605), (27, 687070), (30, 618363), (45, 412242), (54, 343535), (90, 206121), (127, 146070), (135, 137414), (254, 73035), (270, 68707), (381, 48690), (541, 34290), (635, 29214), (762, 24345), (1082, 17145), (1143, 16230), (1270, 14607), (1623, 11430), (1905, 9738), (2286, 8115), (2705, 6858), (3246, 5715), (3429, 5410), (3810, 4869)]