19428045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 39266304

約数和(自身を除く): 19838259

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 331, 455, 559, 645, 903, 993, 1365, 1505, 1655, 1677, 2317, 2795, 3913, 4303, 4515, 4965, 6951, 8385, 11585, 11739, 12909, 14233, 19565, 21515, 30121, 34755, 42699, 58695, 64545, 71165, 90363, 99631, 150605, 185029, 213495, 298893, 451815, 498155, 555087, 925145, 1295203, 1494465, 2775435, 3885609, 6476015, 19428045]

約数ペア:

[(1, 19428045), (3, 6476015), (5, 3885609), (7, 2775435), (13, 1494465), (15, 1295203), (21, 925145), (35, 555087), (39, 498155), (43, 451815), (65, 298893), (91, 213495), (105, 185029), (129, 150605), (195, 99631), (215, 90363), (273, 71165), (301, 64545), (331, 58695), (455, 42699), (559, 34755), (645, 30121), (903, 21515), (993, 19565), (1365, 14233), (1505, 12909), (1655, 11739), (1677, 11585), (2317, 8385), (2795, 6951), (3913, 4965), (4303, 4515)]