19223865

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 34431360

約数和(自身を除く): 15207495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 907, 1413, 2355, 2721, 4239, 4535, 7065, 8163, 13605, 21195, 24489, 40815, 122445, 142399, 427197, 711995, 1281591, 2135985, 3844773, 6407955, 19223865]

約数ペア:

[(1, 19223865), (3, 6407955), (5, 3844773), (9, 2135985), (15, 1281591), (27, 711995), (45, 427197), (135, 142399), (157, 122445), (471, 40815), (785, 24489), (907, 21195), (1413, 13605), (2355, 8163), (2721, 7065), (4239, 4535)]