19292975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 28123200

約数和(自身を除く): 8830225

約数列:

[1, 5, 13, 23, 25, 29, 65, 89, 115, 145, 299, 325, 377, 445, 575, 667, 725, 1157, 1495, 1885, 2047, 2225, 2581, 3335, 5785, 7475, 8671, 9425, 10235, 12905, 16675, 26611, 28925, 33553, 43355, 51175, 59363, 64525, 133055, 167765, 216775, 296815, 665275, 771719, 838825, 1484075, 3858595, 19292975]

約数ペア:

[(1, 19292975), (5, 3858595), (13, 1484075), (23, 838825), (25, 771719), (29, 665275), (65, 296815), (89, 216775), (115, 167765), (145, 133055), (299, 64525), (325, 59363), (377, 51175), (445, 43355), (575, 33553), (667, 28925), (725, 26611), (1157, 16675), (1495, 12905), (1885, 10235), (2047, 9425), (2225, 8671), (2581, 7475), (3335, 5785)]