19766940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4513}}^1$

素因数の和:4598

約数の個数: 48

約数和(自身を含む): 56118048

約数和(自身を除く): 36351108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4513, 9026, 13539, 18052, 22565, 27078, 45130, 54156, 67695, 90260, 135390, 270780, 329449, 658898, 988347, 1317796, 1647245, 1976694, 3294490, 3953388, 4941735, 6588980, 9883470, 19766940]

約数ペア:

[(1, 19766940), (2, 9883470), (3, 6588980), (4, 4941735), (5, 3953388), (6, 3294490), (10, 1976694), (12, 1647245), (15, 1317796), (20, 988347), (30, 658898), (60, 329449), (73, 270780), (146, 135390), (219, 90260), (292, 67695), (365, 54156), (438, 45130), (730, 27078), (876, 22565), (1095, 18052), (1460, 13539), (2190, 9026), (4380, 4513)]