19145763

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 34530496

約数和(自身を除く): 15384733

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 97, 117, 241, 273, 291, 679, 723, 819, 873, 1261, 1687, 2037, 2169, 3133, 3783, 5061, 6111, 8827, 9399, 11349, 15183, 21931, 23377, 26481, 28197, 65793, 70131, 79443, 163639, 197379, 210393, 303901, 490917, 911703, 1472751, 2127307, 2735109, 6381921, 19145763]

約数ペア:

[(1, 19145763), (3, 6381921), (7, 2735109), (9, 2127307), (13, 1472751), (21, 911703), (39, 490917), (63, 303901), (91, 210393), (97, 197379), (117, 163639), (241, 79443), (273, 70131), (291, 65793), (679, 28197), (723, 26481), (819, 23377), (873, 21931), (1261, 15183), (1687, 11349), (2037, 9399), (2169, 8827), (3133, 6111), (3783, 5061)]