18423972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 35354844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 647, 678, 791, 1017, 1294, 1356, 1582, 1941, 2034, 2373, 2588, 3164, 3882, 4068, 4529, 4746, 5823, 7119, 7764, 9058, 9492, 11646, 13587, 14238, 18116, 23292, 27174, 28476, 40761, 54348, 73111, 81522, 146222, 163044, 219333, 292444, 438666, 511777, 657999, 877332, 1023554, 1315998, 1535331, 2047108, 2631996, 3070662, 4605993, 6141324, 9211986, 18423972]

約数ペア:

[(1, 18423972), (2, 9211986), (3, 6141324), (4, 4605993), (6, 3070662), (7, 2631996), (9, 2047108), (12, 1535331), (14, 1315998), (18, 1023554), (21, 877332), (28, 657999), (36, 511777), (42, 438666), (63, 292444), (84, 219333), (113, 163044), (126, 146222), (226, 81522), (252, 73111), (339, 54348), (452, 40761), (647, 28476), (678, 27174), (791, 23292), (1017, 18116), (1294, 14238), (1356, 13587), (1582, 11646), (1941, 9492), (2034, 9058), (2373, 7764), (2588, 7119), (3164, 5823), (3882, 4746), (4068, 4529)]