19645088

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 21682912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 79, 152, 158, 304, 316, 409, 608, 632, 818, 1264, 1501, 1636, 2528, 3002, 3272, 6004, 6544, 7771, 12008, 13088, 15542, 24016, 31084, 32311, 48032, 62168, 64622, 124336, 129244, 248672, 258488, 516976, 613909, 1033952, 1227818, 2455636, 4911272, 9822544, 19645088]

約数ペア:

[(1, 19645088), (2, 9822544), (4, 4911272), (8, 2455636), (16, 1227818), (19, 1033952), (32, 613909), (38, 516976), (76, 258488), (79, 248672), (152, 129244), (158, 124336), (304, 64622), (316, 62168), (409, 48032), (608, 32311), (632, 31084), (818, 24016), (1264, 15542), (1501, 13088), (1636, 12008), (2528, 7771), (3002, 6544), (3272, 6004)]