18280890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7523}}^1$

素因数の和:7545

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 31016358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7523, 15046, 22569, 37615, 45138, 67707, 75230, 112845, 135414, 203121, 225690, 338535, 406242, 609363, 677070, 1015605, 1218726, 1828089, 2031210, 3046815, 3656178, 6093630, 9140445, 18280890]

約数ペア:

[(1, 18280890), (2, 9140445), (3, 6093630), (5, 3656178), (6, 3046815), (9, 2031210), (10, 1828089), (15, 1218726), (18, 1015605), (27, 677070), (30, 609363), (45, 406242), (54, 338535), (81, 225690), (90, 203121), (135, 135414), (162, 112845), (243, 75230), (270, 67707), (405, 45138), (486, 37615), (810, 22569), (1215, 15046), (2430, 7523)]