19020405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 32022144

約数和(自身を除く): 13001739

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 797, 1591, 2391, 3985, 4773, 7955, 11955, 23865, 29489, 34271, 88467, 102813, 147445, 171355, 442335, 514065, 1268027, 3804081, 6340135, 19020405]

約数ペア:

[(1, 19020405), (3, 6340135), (5, 3804081), (15, 1268027), (37, 514065), (43, 442335), (111, 171355), (129, 147445), (185, 102813), (215, 88467), (555, 34271), (645, 29489), (797, 23865), (1591, 11955), (2391, 7955), (3985, 4773)]