19994752

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5039}}^1$

素因数の和:5084

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 21131648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5039, 10078, 20156, 40312, 80624, 156209, 161248, 312418, 322496, 624836, 644992, 1249672, 2499344, 4998688, 9997376, 19994752]

約数ペア:

[(1, 19994752), (2, 9997376), (4, 4998688), (8, 2499344), (16, 1249672), (31, 644992), (32, 624836), (62, 322496), (64, 312418), (124, 161248), (128, 156209), (248, 80624), (496, 40312), (992, 20156), (1984, 10078), (3968, 5039)]