18242840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5923}}^1$

素因数の和:5952

約数の個数: 64

約数和(自身を含む): 51183360

約数和(自身を除く): 32940520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5923, 11846, 23692, 29615, 41461, 47384, 59230, 65153, 82922, 118460, 130306, 165844, 207305, 236920, 260612, 325765, 331688, 414610, 456071, 521224, 651530, 829220, 912142, 1303060, 1658440, 1824284, 2280355, 2606120, 3648568, 4560710, 9121420, 18242840]

約数ペア:

[(1, 18242840), (2, 9121420), (4, 4560710), (5, 3648568), (7, 2606120), (8, 2280355), (10, 1824284), (11, 1658440), (14, 1303060), (20, 912142), (22, 829220), (28, 651530), (35, 521224), (40, 456071), (44, 414610), (55, 331688), (56, 325765), (70, 260612), (77, 236920), (88, 207305), (110, 165844), (140, 130306), (154, 118460), (220, 82922), (280, 65153), (308, 59230), (385, 47384), (440, 41461), (616, 29615), (770, 23692), (1540, 11846), (3080, 5923)]