19257894

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 23985306

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 179, 258, 278, 358, 387, 417, 537, 774, 834, 1074, 1251, 1611, 2502, 3222, 5977, 7697, 11954, 15394, 17931, 23091, 24881, 35862, 46182, 49762, 53793, 69273, 74643, 107586, 138546, 149286, 223929, 447858, 1069883, 2139766, 3209649, 6419298, 9628947, 19257894]

約数ペア:

[(1, 19257894), (2, 9628947), (3, 6419298), (6, 3209649), (9, 2139766), (18, 1069883), (43, 447858), (86, 223929), (129, 149286), (139, 138546), (179, 107586), (258, 74643), (278, 69273), (358, 53793), (387, 49762), (417, 46182), (537, 35862), (774, 24881), (834, 23091), (1074, 17931), (1251, 15394), (1611, 11954), (2502, 7697), (3222, 5977)]