18536742

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 33303258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 29, 38, 42, 54, 57, 58, 63, 87, 89, 114, 126, 133, 171, 174, 178, 189, 203, 261, 266, 267, 342, 378, 399, 406, 513, 522, 534, 551, 609, 623, 783, 798, 801, 1026, 1102, 1197, 1218, 1246, 1566, 1602, 1653, 1691, 1827, 1869, 2394, 2403, 2581, 3306, 3382, 3591, 3654, 3738, 3857, 4806, 4959, 5073, 5162, 5481, 5607, 7182, 7714, 7743, 9918, 10146, 10962, 11214, 11571, 11837, 14877, 15219, 15486, 16821, 18067, 23142, 23229, 23674, 29754, 30438, 33642, 34713, 35511, 36134, 45657, 46458, 49039, 54201, 69426, 69687, 71022, 91314, 98078, 104139, 106533, 108402, 139374, 147117, 162603, 208278, 213066, 294234, 319599, 325206, 343273, 441351, 487809, 639198, 686546, 882702, 975618, 1029819, 1324053, 2059638, 2648106, 3089457, 6178914, 9268371, 18536742]

約数ペア:

[(1, 18536742), (2, 9268371), (3, 6178914), (6, 3089457), (7, 2648106), (9, 2059638), (14, 1324053), (18, 1029819), (19, 975618), (21, 882702), (27, 686546), (29, 639198), (38, 487809), (42, 441351), (54, 343273), (57, 325206), (58, 319599), (63, 294234), (87, 213066), (89, 208278), (114, 162603), (126, 147117), (133, 139374), (171, 108402), (174, 106533), (178, 104139), (189, 98078), (203, 91314), (261, 71022), (266, 69687), (267, 69426), (342, 54201), (378, 49039), (399, 46458), (406, 45657), (513, 36134), (522, 35511), (534, 34713), (551, 33642), (609, 30438), (623, 29754), (783, 23674), (798, 23229), (801, 23142), (1026, 18067), (1102, 16821), (1197, 15486), (1218, 15219), (1246, 14877), (1566, 11837), (1602, 11571), (1653, 11214), (1691, 10962), (1827, 10146), (1869, 9918), (2394, 7743), (2403, 7714), (2581, 7182), (3306, 5607), (3382, 5481), (3591, 5162), (3654, 5073), (3738, 4959), (3857, 4806)]