19298825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 31248000

約数和(自身を除く): 11949175

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 499, 595, 1105, 1547, 2275, 2495, 2975, 3493, 5525, 6487, 7735, 8483, 12475, 17465, 32435, 38675, 42415, 45409, 59381, 87325, 110279, 162175, 212075, 227045, 296905, 551395, 771953, 1135225, 1484525, 2756975, 3859765, 19298825]

約数ペア:

[(1, 19298825), (5, 3859765), (7, 2756975), (13, 1484525), (17, 1135225), (25, 771953), (35, 551395), (65, 296905), (85, 227045), (91, 212075), (119, 162175), (175, 110279), (221, 87325), (325, 59381), (425, 45409), (455, 42415), (499, 38675), (595, 32435), (1105, 17465), (1547, 12475), (2275, 8483), (2495, 7735), (2975, 6487), (3493, 5525)]