19695856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 40810880

約数和(自身を除く): 21115024

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 967, 1072, 1273, 1934, 2546, 3868, 5092, 7736, 10184, 15472, 18373, 20368, 36746, 64789, 73492, 129578, 146984, 259156, 293968, 518312, 1036624, 1230991, 2461982, 4923964, 9847928, 19695856]

約数ペア:

[(1, 19695856), (2, 9847928), (4, 4923964), (8, 2461982), (16, 1230991), (19, 1036624), (38, 518312), (67, 293968), (76, 259156), (134, 146984), (152, 129578), (268, 73492), (304, 64789), (536, 36746), (967, 20368), (1072, 18373), (1273, 15472), (1934, 10184), (2546, 7736), (3868, 5092)]