18901830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 46401264

約数和(自身を除く): 27499434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 181, 295, 354, 362, 543, 590, 885, 905, 1086, 1770, 1810, 2715, 3481, 5430, 6962, 10443, 10679, 17405, 20886, 21358, 32037, 34810, 52215, 53395, 64074, 104430, 106790, 160185, 320370, 630061, 1260122, 1890183, 3150305, 3780366, 6300610, 9450915, 18901830]

約数ペア:

[(1, 18901830), (2, 9450915), (3, 6300610), (5, 3780366), (6, 3150305), (10, 1890183), (15, 1260122), (30, 630061), (59, 320370), (118, 160185), (177, 106790), (181, 104430), (295, 64074), (354, 53395), (362, 52215), (543, 34810), (590, 32037), (885, 21358), (905, 20886), (1086, 17405), (1770, 10679), (1810, 10443), (2715, 6962), (3481, 5430)]