19918140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 41723076

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 103, 110, 132, 165, 206, 220, 293, 309, 330, 412, 515, 586, 618, 660, 879, 1030, 1133, 1172, 1236, 1465, 1545, 1758, 2060, 2266, 2930, 3090, 3223, 3399, 3516, 4395, 4532, 5665, 5860, 6180, 6446, 6798, 8790, 9669, 11330, 12892, 13596, 16115, 16995, 17580, 19338, 22660, 30179, 32230, 33990, 38676, 48345, 60358, 64460, 67980, 90537, 96690, 120716, 150895, 181074, 193380, 301790, 331969, 362148, 452685, 603580, 663938, 905370, 995907, 1327876, 1659845, 1810740, 1991814, 3319690, 3983628, 4979535, 6639380, 9959070, 19918140]

約数ペア:

[(1, 19918140), (2, 9959070), (3, 6639380), (4, 4979535), (5, 3983628), (6, 3319690), (10, 1991814), (11, 1810740), (12, 1659845), (15, 1327876), (20, 995907), (22, 905370), (30, 663938), (33, 603580), (44, 452685), (55, 362148), (60, 331969), (66, 301790), (103, 193380), (110, 181074), (132, 150895), (165, 120716), (206, 96690), (220, 90537), (293, 67980), (309, 64460), (330, 60358), (412, 48345), (515, 38676), (586, 33990), (618, 32230), (660, 30179), (879, 22660), (1030, 19338), (1133, 17580), (1172, 16995), (1236, 16115), (1465, 13596), (1545, 12892), (1758, 11330), (2060, 9669), (2266, 8790), (2930, 6798), (3090, 6446), (3223, 6180), (3399, 5860), (3516, 5665), (4395, 4532)]