18885930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 33368790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 647, 695, 834, 973, 1294, 1390, 1941, 1946, 2085, 2919, 3235, 3882, 4170, 4529, 4865, 5838, 6470, 9058, 9705, 9730, 13587, 14595, 19410, 22645, 27174, 29190, 45290, 67935, 89933, 135870, 179866, 269799, 449665, 539598, 629531, 899330, 1259062, 1348995, 1888593, 2697990, 3147655, 3777186, 6295310, 9442965, 18885930]

約数ペア:

[(1, 18885930), (2, 9442965), (3, 6295310), (5, 3777186), (6, 3147655), (7, 2697990), (10, 1888593), (14, 1348995), (15, 1259062), (21, 899330), (30, 629531), (35, 539598), (42, 449665), (70, 269799), (105, 179866), (139, 135870), (210, 89933), (278, 67935), (417, 45290), (647, 29190), (695, 27174), (834, 22645), (973, 19410), (1294, 14595), (1390, 13587), (1941, 9730), (1946, 9705), (2085, 9058), (2919, 6470), (3235, 5838), (3882, 4865), (4170, 4529)]