18040428

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 54656000

約数和(自身を除く): 36615572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 487, 588, 686, 756, 882, 974, 1029, 1323, 1372, 1461, 1764, 1948, 2058, 2646, 2922, 3087, 3409, 4116, 4383, 5292, 5844, 6174, 6818, 8766, 9261, 10227, 12348, 13149, 13636, 17532, 18522, 20454, 23863, 26298, 30681, 37044, 40908, 47726, 52596, 61362, 71589, 92043, 95452, 122724, 143178, 167041, 184086, 214767, 286356, 334082, 368172, 429534, 501123, 644301, 668164, 859068, 1002246, 1288602, 1503369, 2004492, 2577204, 3006738, 4510107, 6013476, 9020214, 18040428]

約数ペア:

[(1, 18040428), (2, 9020214), (3, 6013476), (4, 4510107), (6, 3006738), (7, 2577204), (9, 2004492), (12, 1503369), (14, 1288602), (18, 1002246), (21, 859068), (27, 668164), (28, 644301), (36, 501123), (42, 429534), (49, 368172), (54, 334082), (63, 286356), (84, 214767), (98, 184086), (108, 167041), (126, 143178), (147, 122724), (189, 95452), (196, 92043), (252, 71589), (294, 61362), (343, 52596), (378, 47726), (441, 40908), (487, 37044), (588, 30681), (686, 26298), (756, 23863), (882, 20454), (974, 18522), (1029, 17532), (1323, 13636), (1372, 13149), (1461, 12348), (1764, 10227), (1948, 9261), (2058, 8766), (2646, 6818), (2922, 6174), (3087, 5844), (3409, 5292), (4116, 4383)]