19840236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1429}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 30610164

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1429, 2314, 2858, 3471, 4287, 4628, 5716, 6942, 8574, 13884, 17148, 18577, 37154, 55731, 74308, 111462, 127181, 222924, 254362, 381543, 508724, 763086, 1526172, 1653353, 3306706, 4960059, 6613412, 9920118, 19840236]

約数ペア:

[(1, 19840236), (2, 9920118), (3, 6613412), (4, 4960059), (6, 3306706), (12, 1653353), (13, 1526172), (26, 763086), (39, 508724), (52, 381543), (78, 254362), (89, 222924), (156, 127181), (178, 111462), (267, 74308), (356, 55731), (534, 37154), (1068, 18577), (1157, 17148), (1429, 13884), (2314, 8574), (2858, 6942), (3471, 5716), (4287, 4628)]