18715632

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 52809120

約数和(自身を除く): 34093488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 89, 104, 156, 178, 208, 267, 312, 337, 356, 534, 624, 674, 712, 1011, 1068, 1157, 1348, 1424, 2022, 2136, 2314, 2696, 3471, 4044, 4272, 4381, 4628, 5392, 6942, 8088, 8762, 9256, 13143, 13884, 16176, 17524, 18512, 26286, 27768, 29993, 35048, 52572, 55536, 59986, 70096, 89979, 105144, 119972, 179958, 210288, 239944, 359916, 389909, 479888, 719832, 779818, 1169727, 1439664, 1559636, 2339454, 3119272, 4678908, 6238544, 9357816, 18715632]

約数ペア:

[(1, 18715632), (2, 9357816), (3, 6238544), (4, 4678908), (6, 3119272), (8, 2339454), (12, 1559636), (13, 1439664), (16, 1169727), (24, 779818), (26, 719832), (39, 479888), (48, 389909), (52, 359916), (78, 239944), (89, 210288), (104, 179958), (156, 119972), (178, 105144), (208, 89979), (267, 70096), (312, 59986), (337, 55536), (356, 52572), (534, 35048), (624, 29993), (674, 27768), (712, 26286), (1011, 18512), (1068, 17524), (1157, 16176), (1348, 13884), (1424, 13143), (2022, 9256), (2136, 8762), (2314, 8088), (2696, 6942), (3471, 5392), (4044, 4628), (4272, 4381)]