18230344

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 38663100

約数和(自身を除く): 20432756

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 509, 814, 968, 1018, 1628, 2036, 3256, 4072, 4477, 5599, 8954, 11198, 17908, 18833, 22396, 35816, 37666, 44792, 61589, 75332, 123178, 150664, 207163, 246356, 414326, 492712, 828652, 1657304, 2278793, 4557586, 9115172, 18230344]

約数ペア:

[(1, 18230344), (2, 9115172), (4, 4557586), (8, 2278793), (11, 1657304), (22, 828652), (37, 492712), (44, 414326), (74, 246356), (88, 207163), (121, 150664), (148, 123178), (242, 75332), (296, 61589), (407, 44792), (484, 37666), (509, 35816), (814, 22396), (968, 18833), (1018, 17908), (1628, 11198), (2036, 8954), (3256, 5599), (4072, 4477)]