18181670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 39372480

約数和(自身を除く): 21190810

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 433, 442, 494, 646, 866, 1105, 1235, 1615, 2165, 2210, 2470, 3230, 4199, 4330, 5629, 7361, 8227, 8398, 11258, 14722, 16454, 20995, 28145, 36805, 41135, 41990, 56290, 73610, 82270, 95693, 106951, 139859, 191386, 213902, 279718, 478465, 534755, 699295, 956930, 1069510, 1398590, 1818167, 3636334, 9090835, 18181670]

約数ペア:

[(1, 18181670), (2, 9090835), (5, 3636334), (10, 1818167), (13, 1398590), (17, 1069510), (19, 956930), (26, 699295), (34, 534755), (38, 478465), (65, 279718), (85, 213902), (95, 191386), (130, 139859), (170, 106951), (190, 95693), (221, 82270), (247, 73610), (323, 56290), (433, 41990), (442, 41135), (494, 36805), (646, 28145), (866, 20995), (1105, 16454), (1235, 14722), (1615, 11258), (2165, 8398), (2210, 8227), (2470, 7361), (3230, 5629), (4199, 4330)]