19899660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 61267248

約数和(自身を除く): 41367588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2741, 3630, 5482, 7260, 8223, 10964, 13705, 16446, 27410, 30151, 32892, 41115, 54820, 60302, 82230, 90453, 120604, 150755, 164460, 180906, 301510, 331661, 361812, 452265, 603020, 663322, 904530, 994983, 1326644, 1658305, 1809060, 1989966, 3316610, 3979932, 4974915, 6633220, 9949830, 19899660]

約数ペア:

[(1, 19899660), (2, 9949830), (3, 6633220), (4, 4974915), (5, 3979932), (6, 3316610), (10, 1989966), (11, 1809060), (12, 1658305), (15, 1326644), (20, 994983), (22, 904530), (30, 663322), (33, 603020), (44, 452265), (55, 361812), (60, 331661), (66, 301510), (110, 180906), (121, 164460), (132, 150755), (165, 120604), (220, 90453), (242, 82230), (330, 60302), (363, 54820), (484, 41115), (605, 32892), (660, 30151), (726, 27410), (1210, 16446), (1452, 13705), (1815, 10964), (2420, 8223), (2741, 7260), (3630, 5482)]