19490842

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 35176320

約数和(自身を除く): 15685478

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 787, 854, 1574, 1769, 3538, 5509, 11018, 12383, 22823, 24766, 45646, 48007, 96014, 159761, 319522, 336049, 672098, 1392203, 2784406, 9745421, 19490842]

約数ペア:

[(1, 19490842), (2, 9745421), (7, 2784406), (14, 1392203), (29, 672098), (58, 336049), (61, 319522), (122, 159761), (203, 96014), (406, 48007), (427, 45646), (787, 24766), (854, 22823), (1574, 12383), (1769, 11018), (3538, 5509)]