18922005

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2495

約数の個数: 40

約数和(自身を含む): 35719200

約数和(自身を除く): 16797195

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2459, 2565, 7377, 7695, 12295, 22131, 36885, 46721, 66393, 110655, 140163, 199179, 233605, 331965, 420489, 700815, 995895, 1261467, 2102445, 3784401, 6307335, 18922005]

約数ペア:

[(1, 18922005), (3, 6307335), (5, 3784401), (9, 2102445), (15, 1261467), (19, 995895), (27, 700815), (45, 420489), (57, 331965), (81, 233605), (95, 199179), (135, 140163), (171, 110655), (285, 66393), (405, 46721), (513, 36885), (855, 22131), (1539, 12295), (2459, 7695), (2565, 7377)]