18203680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10343}}^1$

素因数の和:10369

約数の個数: 48

約数和(自身を含む): 46920384

約数和(自身を除く): 28716704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10343, 20686, 41372, 51715, 82744, 103430, 113773, 165488, 206860, 227546, 330976, 413720, 455092, 568865, 827440, 910184, 1137730, 1654880, 1820368, 2275460, 3640736, 4550920, 9101840, 18203680]

約数ペア:

[(1, 18203680), (2, 9101840), (4, 4550920), (5, 3640736), (8, 2275460), (10, 1820368), (11, 1654880), (16, 1137730), (20, 910184), (22, 827440), (32, 568865), (40, 455092), (44, 413720), (55, 330976), (80, 227546), (88, 206860), (110, 165488), (160, 113773), (176, 103430), (220, 82744), (352, 51715), (440, 41372), (880, 20686), (1760, 10343)]