18435956

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 25000780

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 503, 539, 748, 833, 1006, 1078, 1309, 1666, 2012, 2156, 2618, 3332, 3521, 5236, 5533, 7042, 8551, 9163, 11066, 14084, 17102, 18326, 22132, 24647, 34204, 36652, 38731, 49294, 59857, 77462, 94061, 98588, 119714, 154924, 188122, 239428, 271117, 376244, 418999, 542234, 658427, 837998, 1084468, 1316854, 1675996, 2633708, 4608989, 9217978, 18435956]

約数ペア:

[(1, 18435956), (2, 9217978), (4, 4608989), (7, 2633708), (11, 1675996), (14, 1316854), (17, 1084468), (22, 837998), (28, 658427), (34, 542234), (44, 418999), (49, 376244), (68, 271117), (77, 239428), (98, 188122), (119, 154924), (154, 119714), (187, 98588), (196, 94061), (238, 77462), (308, 59857), (374, 49294), (476, 38731), (503, 36652), (539, 34204), (748, 24647), (833, 22132), (1006, 18326), (1078, 17102), (1309, 14084), (1666, 11066), (2012, 9163), (2156, 8551), (2618, 7042), (3332, 5533), (3521, 5236)]