18778980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 40209180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 769, 814, 1110, 1221, 1538, 1628, 2035, 2220, 2307, 2442, 3076, 3845, 4070, 4614, 4884, 6105, 7690, 8140, 8459, 9228, 11535, 12210, 15380, 16918, 23070, 24420, 25377, 28453, 33836, 42295, 46140, 50754, 56906, 84590, 85359, 101508, 113812, 126885, 142265, 169180, 170718, 253770, 284530, 312983, 341436, 426795, 507540, 569060, 625966, 853590, 938949, 1251932, 1564915, 1707180, 1877898, 3129830, 3755796, 4694745, 6259660, 9389490, 18778980]

約数ペア:

[(1, 18778980), (2, 9389490), (3, 6259660), (4, 4694745), (5, 3755796), (6, 3129830), (10, 1877898), (11, 1707180), (12, 1564915), (15, 1251932), (20, 938949), (22, 853590), (30, 625966), (33, 569060), (37, 507540), (44, 426795), (55, 341436), (60, 312983), (66, 284530), (74, 253770), (110, 170718), (111, 169180), (132, 142265), (148, 126885), (165, 113812), (185, 101508), (220, 85359), (222, 84590), (330, 56906), (370, 50754), (407, 46140), (444, 42295), (555, 33836), (660, 28453), (740, 25377), (769, 24420), (814, 23070), (1110, 16918), (1221, 15380), (1538, 12210), (1628, 11535), (2035, 9228), (2220, 8459), (2307, 8140), (2442, 7690), (3076, 6105), (3845, 4884), (4070, 4614)]