18077228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 35726880

約数和(自身を除く): 17649652

約数列:

[1, 2, 4, 13, 26, 41, 52, 61, 82, 122, 139, 164, 244, 278, 533, 556, 793, 1066, 1586, 1807, 2132, 2501, 3172, 3614, 5002, 5699, 7228, 8479, 10004, 11398, 16958, 22796, 32513, 33916, 65026, 74087, 110227, 130052, 148174, 220454, 296348, 347639, 440908, 695278, 1390556, 4519307, 9038614, 18077228]

約数ペア:

[(1, 18077228), (2, 9038614), (4, 4519307), (13, 1390556), (26, 695278), (41, 440908), (52, 347639), (61, 296348), (82, 220454), (122, 148174), (139, 130052), (164, 110227), (244, 74087), (278, 65026), (533, 33916), (556, 32513), (793, 22796), (1066, 16958), (1586, 11398), (1807, 10004), (2132, 8479), (2501, 7228), (3172, 5699), (3614, 5002)]