19513984

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 46022400

約数和(自身を除く): 26508416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 751, 812, 896, 928, 1502, 1624, 1856, 3004, 3248, 3712, 5257, 6008, 6496, 10514, 12016, 12992, 21028, 21779, 24032, 25984, 42056, 43558, 48064, 84112, 87116, 96128, 152453, 168224, 174232, 304906, 336448, 348464, 609812, 672896, 696928, 1219624, 1393856, 2439248, 2787712, 4878496, 9756992, 19513984]

約数ペア:

[(1, 19513984), (2, 9756992), (4, 4878496), (7, 2787712), (8, 2439248), (14, 1393856), (16, 1219624), (28, 696928), (29, 672896), (32, 609812), (56, 348464), (58, 336448), (64, 304906), (112, 174232), (116, 168224), (128, 152453), (203, 96128), (224, 87116), (232, 84112), (406, 48064), (448, 43558), (464, 42056), (751, 25984), (812, 24032), (896, 21779), (928, 21028), (1502, 12992), (1624, 12016), (1856, 10514), (3004, 6496), (3248, 6008), (3712, 5257)]