18957864

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 30716376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 307, 332, 372, 498, 614, 664, 744, 921, 996, 1228, 1842, 1992, 2456, 2573, 3684, 5146, 7368, 7719, 9517, 10292, 15438, 19034, 20584, 25481, 28551, 30876, 38068, 50962, 57102, 61752, 76136, 76443, 101924, 114204, 152886, 203848, 228408, 305772, 611544, 789911, 1579822, 2369733, 3159644, 4739466, 6319288, 9478932, 18957864]

約数ペア:

[(1, 18957864), (2, 9478932), (3, 6319288), (4, 4739466), (6, 3159644), (8, 2369733), (12, 1579822), (24, 789911), (31, 611544), (62, 305772), (83, 228408), (93, 203848), (124, 152886), (166, 114204), (186, 101924), (248, 76443), (249, 76136), (307, 61752), (332, 57102), (372, 50962), (498, 38068), (614, 30876), (664, 28551), (744, 25481), (921, 20584), (996, 19034), (1228, 15438), (1842, 10292), (1992, 9517), (2456, 7719), (2573, 7368), (3684, 5146)]