19300806

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 72

約数和(自身を含む): 49439520

約数和(自身を除く): 30138714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 79, 98, 126, 147, 158, 237, 277, 294, 441, 474, 553, 554, 711, 831, 882, 1106, 1422, 1659, 1662, 1939, 2493, 3318, 3871, 3878, 4977, 4986, 5817, 7742, 9954, 11613, 11634, 13573, 17451, 21883, 23226, 27146, 34839, 34902, 40719, 43766, 65649, 69678, 81438, 122157, 131298, 153181, 196947, 244314, 306362, 393894, 459543, 919086, 1072267, 1378629, 2144534, 2757258, 3216801, 6433602, 9650403, 19300806]

約数ペア:

[(1, 19300806), (2, 9650403), (3, 6433602), (6, 3216801), (7, 2757258), (9, 2144534), (14, 1378629), (18, 1072267), (21, 919086), (42, 459543), (49, 393894), (63, 306362), (79, 244314), (98, 196947), (126, 153181), (147, 131298), (158, 122157), (237, 81438), (277, 69678), (294, 65649), (441, 43766), (474, 40719), (553, 34902), (554, 34839), (711, 27146), (831, 23226), (882, 21883), (1106, 17451), (1422, 13573), (1659, 11634), (1662, 11613), (1939, 9954), (2493, 7742), (3318, 5817), (3871, 4986), (3878, 4977)]