19001055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31553280

約数和(自身を除く): 12552225

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 331, 445, 645, 993, 1335, 1655, 3827, 4965, 11481, 14233, 19135, 29459, 42699, 57405, 71165, 88377, 147295, 213495, 441885, 1266737, 3800211, 6333685, 19001055]

約数ペア:

[(1, 19001055), (3, 6333685), (5, 3800211), (15, 1266737), (43, 441885), (89, 213495), (129, 147295), (215, 88377), (267, 71165), (331, 57405), (445, 42699), (645, 29459), (993, 19135), (1335, 14233), (1655, 11481), (3827, 4965)]