18998944

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 20464256

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 116, 118, 232, 236, 347, 464, 472, 694, 928, 944, 1388, 1711, 1888, 2776, 3422, 5552, 6844, 10063, 11104, 13688, 20126, 20473, 27376, 40252, 40946, 54752, 80504, 81892, 161008, 163784, 322016, 327568, 593717, 655136, 1187434, 2374868, 4749736, 9499472, 18998944]

約数ペア:

[(1, 18998944), (2, 9499472), (4, 4749736), (8, 2374868), (16, 1187434), (29, 655136), (32, 593717), (58, 327568), (59, 322016), (116, 163784), (118, 161008), (232, 81892), (236, 80504), (347, 54752), (464, 40946), (472, 40252), (694, 27376), (928, 20473), (944, 20126), (1388, 13688), (1711, 11104), (1888, 10063), (2776, 6844), (3422, 5552)]