19824350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4389

約数の個数: 48

約数和(自身を含む): 45392928

約数和(自身を除く): 25568578

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4357, 4550, 8714, 21785, 30499, 43570, 56641, 60998, 108925, 113282, 152495, 217850, 283205, 304990, 396487, 566410, 762475, 792974, 1416025, 1524950, 1982435, 2832050, 3964870, 9912175, 19824350]

約数ペア:

[(1, 19824350), (2, 9912175), (5, 3964870), (7, 2832050), (10, 1982435), (13, 1524950), (14, 1416025), (25, 792974), (26, 762475), (35, 566410), (50, 396487), (65, 304990), (70, 283205), (91, 217850), (130, 152495), (175, 113282), (182, 108925), (325, 60998), (350, 56641), (455, 43570), (650, 30499), (910, 21785), (2275, 8714), (4357, 4550)]