18744934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 12753050

約数列:

[1, 2, 13, 26, 53, 61, 106, 122, 223, 446, 689, 793, 1378, 1586, 2899, 3233, 5798, 6466, 11819, 13603, 23638, 27206, 42029, 84058, 153647, 176839, 307294, 353678, 720959, 1441918, 9372467, 18744934]

約数ペア:

[(1, 18744934), (2, 9372467), (13, 1441918), (26, 720959), (53, 353678), (61, 307294), (106, 176839), (122, 153647), (223, 84058), (446, 42029), (689, 27206), (793, 23638), (1378, 13603), (1586, 11819), (2899, 6466), (3233, 5798)]