18772012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21447188

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 113, 119, 226, 238, 349, 452, 476, 698, 791, 1396, 1582, 1921, 2443, 3164, 3842, 4886, 5933, 7684, 9772, 11866, 13447, 23732, 26894, 39437, 41531, 53788, 78874, 83062, 157748, 166124, 276059, 552118, 670429, 1104236, 1340858, 2681716, 4693003, 9386006, 18772012]

約数ペア:

[(1, 18772012), (2, 9386006), (4, 4693003), (7, 2681716), (14, 1340858), (17, 1104236), (28, 670429), (34, 552118), (68, 276059), (113, 166124), (119, 157748), (226, 83062), (238, 78874), (349, 53788), (452, 41531), (476, 39437), (698, 26894), (791, 23732), (1396, 13447), (1582, 11866), (1921, 9772), (2443, 7684), (3164, 5933), (3842, 4886)]