19880916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7927}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 53276160

約数和(自身を除く): 33395244

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7927, 15854, 23781, 31708, 47562, 87197, 95124, 150613, 174394, 261591, 301226, 348788, 451839, 523182, 602452, 903678, 1046364, 1656743, 1807356, 3313486, 4970229, 6626972, 9940458, 19880916]

約数ペア:

[(1, 19880916), (2, 9940458), (3, 6626972), (4, 4970229), (6, 3313486), (11, 1807356), (12, 1656743), (19, 1046364), (22, 903678), (33, 602452), (38, 523182), (44, 451839), (57, 348788), (66, 301226), (76, 261591), (114, 174394), (132, 150613), (209, 95124), (228, 87197), (418, 47562), (627, 31708), (836, 23781), (1254, 15854), (2508, 7927)]