19209465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 36706176

約数和(自身を除く): 17496711

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 151, 165, 257, 453, 495, 755, 771, 1285, 1359, 1661, 2265, 2313, 2827, 3855, 4983, 6795, 8305, 8481, 11565, 14135, 14949, 24915, 25443, 38807, 42405, 74745, 116421, 127215, 194035, 349263, 426877, 582105, 1280631, 1746315, 2134385, 3841893, 6403155, 19209465]

約数ペア:

[(1, 19209465), (3, 6403155), (5, 3841893), (9, 2134385), (11, 1746315), (15, 1280631), (33, 582105), (45, 426877), (55, 349263), (99, 194035), (151, 127215), (165, 116421), (257, 74745), (453, 42405), (495, 38807), (755, 25443), (771, 24915), (1285, 14949), (1359, 14135), (1661, 11565), (2265, 8481), (2313, 8305), (2827, 6795), (3855, 4983)]