19015503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 12917937

約数列:

[1, 3, 13, 17, 23, 29, 39, 43, 51, 69, 87, 129, 221, 299, 377, 391, 493, 559, 663, 667, 731, 897, 989, 1131, 1173, 1247, 1479, 1677, 2001, 2193, 2967, 3741, 5083, 6409, 8671, 9503, 11339, 12857, 15249, 16211, 16813, 19227, 21199, 26013, 28509, 28681, 34017, 38571, 48633, 50439, 63597, 86043, 147407, 218569, 275587, 372853, 442221, 487577, 655707, 826761, 1118559, 1462731, 6338501, 19015503]

約数ペア:

[(1, 19015503), (3, 6338501), (13, 1462731), (17, 1118559), (23, 826761), (29, 655707), (39, 487577), (43, 442221), (51, 372853), (69, 275587), (87, 218569), (129, 147407), (221, 86043), (299, 63597), (377, 50439), (391, 48633), (493, 38571), (559, 34017), (663, 28681), (667, 28509), (731, 26013), (897, 21199), (989, 19227), (1131, 16813), (1173, 16211), (1247, 15249), (1479, 12857), (1677, 11339), (2001, 9503), (2193, 8671), (2967, 6409), (3741, 5083)]