18875916

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 54885600

約数和(自身を除く): 36009684

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 27, 34, 36, 46, 51, 54, 68, 69, 81, 92, 102, 108, 138, 149, 153, 162, 204, 207, 276, 298, 306, 324, 391, 414, 447, 459, 596, 612, 621, 782, 828, 894, 918, 1173, 1242, 1341, 1377, 1564, 1788, 1836, 1863, 2346, 2484, 2533, 2682, 2754, 3427, 3519, 3726, 4023, 4692, 5066, 5364, 5508, 6854, 7038, 7452, 7599, 8046, 10132, 10281, 10557, 12069, 13708, 14076, 15198, 16092, 20562, 21114, 22797, 24138, 30396, 30843, 31671, 41124, 42228, 45594, 48276, 58259, 61686, 63342, 68391, 91188, 92529, 116518, 123372, 126684, 136782, 174777, 185058, 205173, 233036, 273564, 277587, 349554, 370116, 410346, 524331, 555174, 699108, 820692, 1048662, 1110348, 1572993, 2097324, 3145986, 4718979, 6291972, 9437958, 18875916]

約数ペア:

[(1, 18875916), (2, 9437958), (3, 6291972), (4, 4718979), (6, 3145986), (9, 2097324), (12, 1572993), (17, 1110348), (18, 1048662), (23, 820692), (27, 699108), (34, 555174), (36, 524331), (46, 410346), (51, 370116), (54, 349554), (68, 277587), (69, 273564), (81, 233036), (92, 205173), (102, 185058), (108, 174777), (138, 136782), (149, 126684), (153, 123372), (162, 116518), (204, 92529), (207, 91188), (276, 68391), (298, 63342), (306, 61686), (324, 58259), (391, 48276), (414, 45594), (447, 42228), (459, 41124), (596, 31671), (612, 30843), (621, 30396), (782, 24138), (828, 22797), (894, 21114), (918, 20562), (1173, 16092), (1242, 15198), (1341, 14076), (1377, 13708), (1564, 12069), (1788, 10557), (1836, 10281), (1863, 10132), (2346, 8046), (2484, 7599), (2533, 7452), (2682, 7038), (2754, 6854), (3427, 5508), (3519, 5364), (3726, 5066), (4023, 4692)]