18850440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22441}}^1$

素因数の和:22462

約数の個数: 64

約数和(自身を含む): 64632960

約数和(自身を除く): 45782520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22441, 44882, 67323, 89764, 112205, 134646, 157087, 179528, 224410, 269292, 314174, 336615, 448820, 471261, 538584, 628348, 673230, 785435, 897640, 942522, 1256696, 1346460, 1570870, 1885044, 2356305, 2692920, 3141740, 3770088, 4712610, 6283480, 9425220, 18850440]

約数ペア:

[(1, 18850440), (2, 9425220), (3, 6283480), (4, 4712610), (5, 3770088), (6, 3141740), (7, 2692920), (8, 2356305), (10, 1885044), (12, 1570870), (14, 1346460), (15, 1256696), (20, 942522), (21, 897640), (24, 785435), (28, 673230), (30, 628348), (35, 538584), (40, 471261), (42, 448820), (56, 336615), (60, 314174), (70, 269292), (84, 224410), (105, 179528), (120, 157087), (140, 134646), (168, 112205), (210, 89764), (280, 67323), (420, 44882), (840, 22441)]