19263788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18657172

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 109, 113, 218, 226, 391, 436, 452, 782, 1564, 1853, 1921, 2507, 2599, 3706, 3842, 5014, 5198, 7412, 7684, 10028, 10396, 12317, 24634, 42619, 44183, 49268, 85238, 88366, 170476, 176732, 209389, 283291, 418778, 566582, 837556, 1133164, 4815947, 9631894, 19263788]

約数ペア:

[(1, 19263788), (2, 9631894), (4, 4815947), (17, 1133164), (23, 837556), (34, 566582), (46, 418778), (68, 283291), (92, 209389), (109, 176732), (113, 170476), (218, 88366), (226, 85238), (391, 49268), (436, 44183), (452, 42619), (782, 24634), (1564, 12317), (1853, 10396), (1921, 10028), (2507, 7684), (2599, 7412), (3706, 5198), (3842, 5014)]