18283986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 47092032

約数和(自身を除く): 28808046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 151, 186, 217, 279, 302, 434, 453, 558, 651, 906, 961, 1057, 1302, 1359, 1922, 1953, 2114, 2718, 2883, 3171, 3906, 4681, 5766, 6342, 6727, 8649, 9362, 9513, 13454, 14043, 17298, 19026, 20181, 28086, 32767, 40362, 42129, 60543, 65534, 84258, 98301, 121086, 145111, 196602, 290222, 294903, 435333, 589806, 870666, 1015777, 1305999, 2031554, 2611998, 3047331, 6094662, 9141993, 18283986]

約数ペア:

[(1, 18283986), (2, 9141993), (3, 6094662), (6, 3047331), (7, 2611998), (9, 2031554), (14, 1305999), (18, 1015777), (21, 870666), (31, 589806), (42, 435333), (62, 294903), (63, 290222), (93, 196602), (126, 145111), (151, 121086), (186, 98301), (217, 84258), (279, 65534), (302, 60543), (434, 42129), (453, 40362), (558, 32767), (651, 28086), (906, 20181), (961, 19026), (1057, 17298), (1302, 14043), (1359, 13454), (1922, 9513), (1953, 9362), (2114, 8649), (2718, 6727), (2883, 6342), (3171, 5766), (3906, 4681)]