19293525

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 35920320

約数和(自身を除く): 16626795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 283, 303, 505, 675, 849, 909, 1415, 1515, 2525, 2547, 2727, 4245, 4545, 7075, 7575, 7641, 12735, 13635, 21225, 22725, 28583, 38205, 63675, 68175, 85749, 142915, 191025, 257247, 428745, 714575, 771741, 1286235, 2143725, 3858705, 6431175, 19293525]

約数ペア:

[(1, 19293525), (3, 6431175), (5, 3858705), (9, 2143725), (15, 1286235), (25, 771741), (27, 714575), (45, 428745), (75, 257247), (101, 191025), (135, 142915), (225, 85749), (283, 68175), (303, 63675), (505, 38205), (675, 28583), (849, 22725), (909, 21225), (1415, 13635), (1515, 12735), (2525, 7641), (2547, 7575), (2727, 7075), (4245, 4545)]