18941706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 32276214

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 37, 42, 51, 63, 74, 102, 111, 119, 126, 153, 222, 238, 239, 259, 306, 333, 357, 478, 518, 629, 666, 714, 717, 777, 1071, 1258, 1434, 1554, 1673, 1887, 2142, 2151, 2331, 3346, 3774, 4063, 4302, 4403, 4662, 5019, 5661, 8126, 8806, 8843, 10038, 11322, 12189, 13209, 15057, 17686, 24378, 26418, 26529, 28441, 30114, 36567, 39627, 53058, 56882, 61901, 73134, 79254, 79587, 85323, 123802, 150331, 159174, 170646, 185703, 255969, 300662, 371406, 450993, 511938, 557109, 901986, 1052317, 1114218, 1352979, 2104634, 2705958, 3156951, 6313902, 9470853, 18941706]

約数ペア:

[(1, 18941706), (2, 9470853), (3, 6313902), (6, 3156951), (7, 2705958), (9, 2104634), (14, 1352979), (17, 1114218), (18, 1052317), (21, 901986), (34, 557109), (37, 511938), (42, 450993), (51, 371406), (63, 300662), (74, 255969), (102, 185703), (111, 170646), (119, 159174), (126, 150331), (153, 123802), (222, 85323), (238, 79587), (239, 79254), (259, 73134), (306, 61901), (333, 56882), (357, 53058), (478, 39627), (518, 36567), (629, 30114), (666, 28441), (714, 26529), (717, 26418), (777, 24378), (1071, 17686), (1258, 15057), (1434, 13209), (1554, 12189), (1673, 11322), (1887, 10038), (2142, 8843), (2151, 8806), (2331, 8126), (3346, 5661), (3774, 5019), (4063, 4662), (4302, 4403)]