1916720638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{22193}}^1$

素因数の和:22432

約数の個数: 32

約数和(自身を含む): 3408998400

約数和(自身を除く): 1492277762

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 398, 434, 1393, 2786, 6169, 12338, 22193, 43183, 44386, 86366, 155351, 310702, 687983, 1375966, 4416407, 4815881, 8832814, 9631762, 30914849, 61829698, 136908617, 273817234, 958360319, 1916720638]

約数ペア:

[(1, 1916720638), (2, 958360319), (7, 273817234), (14, 136908617), (31, 61829698), (62, 30914849), (199, 9631762), (217, 8832814), (398, 4815881), (434, 4416407), (1393, 1375966), (2786, 687983), (6169, 310702), (12338, 155351), (22193, 86366), (43183, 44386)]