19842690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 55353600

約数和(自身を除く): 35510910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1549, 1830, 2135, 2562, 3098, 4270, 4647, 6405, 7745, 9294, 10843, 12810, 15490, 21686, 23235, 32529, 46470, 54215, 65058, 94489, 108430, 162645, 188978, 283467, 325290, 472445, 566934, 661423, 944890, 1322846, 1417335, 1984269, 2834670, 3307115, 3968538, 6614230, 9921345, 19842690]

約数ペア:

[(1, 19842690), (2, 9921345), (3, 6614230), (5, 3968538), (6, 3307115), (7, 2834670), (10, 1984269), (14, 1417335), (15, 1322846), (21, 944890), (30, 661423), (35, 566934), (42, 472445), (61, 325290), (70, 283467), (105, 188978), (122, 162645), (183, 108430), (210, 94489), (305, 65058), (366, 54215), (427, 46470), (610, 32529), (854, 23235), (915, 21686), (1281, 15490), (1549, 12810), (1830, 10843), (2135, 9294), (2562, 7745), (3098, 6405), (4270, 4647)]