19871502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27406578

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 79, 106, 113, 158, 159, 226, 237, 318, 339, 371, 474, 553, 678, 742, 791, 1106, 1113, 1582, 1659, 2226, 2373, 3318, 4187, 4746, 5989, 8374, 8927, 11978, 12561, 17854, 17967, 25122, 26781, 29309, 35934, 41923, 53562, 58618, 62489, 83846, 87927, 124978, 125769, 175854, 187467, 251538, 374934, 473131, 946262, 1419393, 2838786, 3311917, 6623834, 9935751, 19871502]

約数ペア:

[(1, 19871502), (2, 9935751), (3, 6623834), (6, 3311917), (7, 2838786), (14, 1419393), (21, 946262), (42, 473131), (53, 374934), (79, 251538), (106, 187467), (113, 175854), (158, 125769), (159, 124978), (226, 87927), (237, 83846), (318, 62489), (339, 58618), (371, 53562), (474, 41923), (553, 35934), (678, 29309), (742, 26781), (791, 25122), (1106, 17967), (1113, 17854), (1582, 12561), (1659, 11978), (2226, 8927), (2373, 8374), (3318, 5989), (4187, 4746)]