19213142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 34564320

約数和(自身を除く): 15351178

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 89, 178, 247, 299, 361, 437, 494, 598, 722, 874, 1157, 1691, 2047, 2314, 3382, 4094, 4693, 5681, 8303, 9386, 11362, 16606, 21983, 26611, 32129, 38893, 43966, 53222, 64258, 77786, 107939, 215878, 417677, 505609, 738967, 835354, 1011218, 1477934, 9606571, 19213142]

約数ペア:

[(1, 19213142), (2, 9606571), (13, 1477934), (19, 1011218), (23, 835354), (26, 738967), (38, 505609), (46, 417677), (89, 215878), (178, 107939), (247, 77786), (299, 64258), (361, 53222), (437, 43966), (494, 38893), (598, 32129), (722, 26611), (874, 21983), (1157, 16606), (1691, 11362), (2047, 9386), (2314, 8303), (3382, 5681), (4094, 4693)]