15843340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 35370720

約数和(自身を除く): 19527380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 241, 346, 380, 482, 692, 865, 964, 1205, 1730, 2410, 3287, 3460, 4579, 4820, 6574, 9158, 13148, 16435, 18316, 22895, 32870, 41693, 45790, 65740, 83386, 91580, 166772, 208465, 416930, 792167, 833860, 1584334, 3168668, 3960835, 7921670, 15843340]

約数ペア:

[(1, 15843340), (2, 7921670), (4, 3960835), (5, 3168668), (10, 1584334), (19, 833860), (20, 792167), (38, 416930), (76, 208465), (95, 166772), (173, 91580), (190, 83386), (241, 65740), (346, 45790), (380, 41693), (482, 32870), (692, 22895), (865, 18316), (964, 16435), (1205, 13148), (1730, 9158), (2410, 6574), (3287, 4820), (3460, 4579)]