18970096

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20402384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 719, 776, 1438, 1552, 1649, 2876, 3298, 5752, 6596, 11504, 12223, 13192, 24446, 26384, 48892, 69743, 97784, 139486, 195568, 278972, 557944, 1115888, 1185631, 2371262, 4742524, 9485048, 18970096]

約数ペア:

[(1, 18970096), (2, 9485048), (4, 4742524), (8, 2371262), (16, 1185631), (17, 1115888), (34, 557944), (68, 278972), (97, 195568), (136, 139486), (194, 97784), (272, 69743), (388, 48892), (719, 26384), (776, 24446), (1438, 13192), (1552, 12223), (1649, 11504), (2876, 6596), (3298, 5752)]