19300827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 33895680

約数和(自身を除く): 14594853

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 61, 91, 133, 183, 247, 273, 399, 427, 741, 793, 1159, 1281, 1729, 2379, 3477, 3721, 5187, 5551, 8113, 11163, 15067, 16653, 24339, 26047, 45201, 48373, 70699, 78141, 105469, 145119, 212097, 316407, 338611, 494893, 919087, 1015833, 1484679, 2757261, 6433609, 19300827]

約数ペア:

[(1, 19300827), (3, 6433609), (7, 2757261), (13, 1484679), (19, 1015833), (21, 919087), (39, 494893), (57, 338611), (61, 316407), (91, 212097), (133, 145119), (183, 105469), (247, 78141), (273, 70699), (399, 48373), (427, 45201), (741, 26047), (793, 24339), (1159, 16653), (1281, 15067), (1729, 11163), (2379, 8113), (3477, 5551), (3721, 5187)]