18445428

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 51408000

約数和(自身を除く): 32962572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 89, 101, 108, 114, 171, 178, 202, 228, 267, 303, 342, 356, 404, 513, 534, 606, 684, 801, 909, 1026, 1068, 1212, 1602, 1691, 1818, 1919, 2052, 2403, 2727, 3204, 3382, 3636, 3838, 4806, 5073, 5454, 5757, 6764, 7676, 8989, 9612, 10146, 10908, 11514, 15219, 17271, 17978, 20292, 23028, 26967, 30438, 34542, 35956, 45657, 51813, 53934, 60876, 69084, 80901, 91314, 103626, 107868, 161802, 170791, 182628, 207252, 242703, 323604, 341582, 485406, 512373, 683164, 970812, 1024746, 1537119, 2049492, 3074238, 4611357, 6148476, 9222714, 18445428]

約数ペア:

[(1, 18445428), (2, 9222714), (3, 6148476), (4, 4611357), (6, 3074238), (9, 2049492), (12, 1537119), (18, 1024746), (19, 970812), (27, 683164), (36, 512373), (38, 485406), (54, 341582), (57, 323604), (76, 242703), (89, 207252), (101, 182628), (108, 170791), (114, 161802), (171, 107868), (178, 103626), (202, 91314), (228, 80901), (267, 69084), (303, 60876), (342, 53934), (356, 51813), (404, 45657), (513, 35956), (534, 34542), (606, 30438), (684, 26967), (801, 23028), (909, 20292), (1026, 17978), (1068, 17271), (1212, 15219), (1602, 11514), (1691, 10908), (1818, 10146), (1919, 9612), (2052, 8989), (2403, 7676), (2727, 6764), (3204, 5757), (3382, 5454), (3636, 5073), (3838, 4806)]