19947180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30223}}^1$

素因数の和:30246

約数の個数: 48

約数和(自身を含む): 60931584

約数和(自身を除く): 40984404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30223, 60446, 90669, 120892, 151115, 181338, 302230, 332453, 362676, 453345, 604460, 664906, 906690, 997359, 1329812, 1662265, 1813380, 1994718, 3324530, 3989436, 4986795, 6649060, 9973590, 19947180]

約数ペア:

[(1, 19947180), (2, 9973590), (3, 6649060), (4, 4986795), (5, 3989436), (6, 3324530), (10, 1994718), (11, 1813380), (12, 1662265), (15, 1329812), (20, 997359), (22, 906690), (30, 664906), (33, 604460), (44, 453345), (55, 362676), (60, 332453), (66, 302230), (110, 181338), (132, 151115), (165, 120892), (220, 90669), (330, 60446), (660, 30223)]