18840216

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 50755680

約数和(自身を除く): 31915464

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 183, 204, 244, 366, 408, 488, 732, 757, 1037, 1464, 1514, 2074, 2271, 3028, 3111, 4148, 4542, 6056, 6222, 8296, 9084, 12444, 12869, 18168, 24888, 25738, 38607, 46177, 51476, 77214, 92354, 102952, 138531, 154428, 184708, 277062, 308856, 369416, 554124, 785009, 1108248, 1570018, 2355027, 3140036, 4710054, 6280072, 9420108, 18840216]

約数ペア:

[(1, 18840216), (2, 9420108), (3, 6280072), (4, 4710054), (6, 3140036), (8, 2355027), (12, 1570018), (17, 1108248), (24, 785009), (34, 554124), (51, 369416), (61, 308856), (68, 277062), (102, 184708), (122, 154428), (136, 138531), (183, 102952), (204, 92354), (244, 77214), (366, 51476), (408, 46177), (488, 38607), (732, 25738), (757, 24888), (1037, 18168), (1464, 12869), (1514, 12444), (2074, 9084), (2271, 8296), (3028, 6222), (3111, 6056), (4148, 4542)]