18846384

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 52115712

約数和(自身を除く): 33269328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 397, 516, 552, 688, 794, 989, 1032, 1104, 1191, 1588, 1978, 2064, 2382, 2967, 3176, 3956, 4764, 5934, 6352, 7912, 9131, 9528, 11868, 15824, 17071, 18262, 19056, 23736, 27393, 34142, 36524, 47472, 51213, 54786, 68284, 73048, 102426, 109572, 136568, 146096, 204852, 219144, 273136, 392633, 409704, 438288, 785266, 819408, 1177899, 1570532, 2355798, 3141064, 4711596, 6282128, 9423192, 18846384]

約数ペア:

[(1, 18846384), (2, 9423192), (3, 6282128), (4, 4711596), (6, 3141064), (8, 2355798), (12, 1570532), (16, 1177899), (23, 819408), (24, 785266), (43, 438288), (46, 409704), (48, 392633), (69, 273136), (86, 219144), (92, 204852), (129, 146096), (138, 136568), (172, 109572), (184, 102426), (258, 73048), (276, 68284), (344, 54786), (368, 51213), (397, 47472), (516, 36524), (552, 34142), (688, 27393), (794, 23736), (989, 19056), (1032, 18262), (1104, 17071), (1191, 15824), (1588, 11868), (1978, 9528), (2064, 9131), (2382, 7912), (2967, 6352), (3176, 5934), (3956, 4764)]