18161652

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 44149952

約数和(自身を除く): 25988300

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 577, 732, 1154, 1731, 2308, 2623, 3462, 5246, 6924, 7869, 10492, 15738, 24811, 31476, 35197, 49622, 70394, 74433, 99244, 105591, 140788, 148866, 211182, 297732, 422364, 1513471, 3026942, 4540413, 6053884, 9080826, 18161652]

約数ペア:

[(1, 18161652), (2, 9080826), (3, 6053884), (4, 4540413), (6, 3026942), (12, 1513471), (43, 422364), (61, 297732), (86, 211182), (122, 148866), (129, 140788), (172, 105591), (183, 99244), (244, 74433), (258, 70394), (366, 49622), (516, 35197), (577, 31476), (732, 24811), (1154, 15738), (1731, 10492), (2308, 7869), (2623, 6924), (3462, 5246)]