18670416

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 50621760

約数和(自身を除く): 31951344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 53, 82, 106, 123, 159, 164, 179, 212, 246, 318, 328, 358, 424, 492, 537, 636, 656, 716, 848, 984, 1074, 1272, 1432, 1968, 2148, 2173, 2544, 2864, 4296, 4346, 6519, 7339, 8592, 8692, 9487, 13038, 14678, 17384, 18974, 22017, 26076, 28461, 29356, 34768, 37948, 44034, 52152, 56922, 58712, 75896, 88068, 104304, 113844, 117424, 151792, 176136, 227688, 352272, 388967, 455376, 777934, 1166901, 1555868, 2333802, 3111736, 4667604, 6223472, 9335208, 18670416]

約数ペア:

[(1, 18670416), (2, 9335208), (3, 6223472), (4, 4667604), (6, 3111736), (8, 2333802), (12, 1555868), (16, 1166901), (24, 777934), (41, 455376), (48, 388967), (53, 352272), (82, 227688), (106, 176136), (123, 151792), (159, 117424), (164, 113844), (179, 104304), (212, 88068), (246, 75896), (318, 58712), (328, 56922), (358, 52152), (424, 44034), (492, 37948), (537, 34768), (636, 29356), (656, 28461), (716, 26076), (848, 22017), (984, 18974), (1074, 17384), (1272, 14678), (1432, 13038), (1968, 9487), (2148, 8692), (2173, 8592), (2544, 7339), (2864, 6519), (4296, 4346)]