19290238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14198402

約数列:

[1, 2, 11, 22, 23, 46, 67, 134, 253, 506, 569, 737, 1138, 1474, 1541, 3082, 6259, 12518, 13087, 16951, 26174, 33902, 38123, 76246, 143957, 287914, 419353, 838706, 876829, 1753658, 9645119, 19290238]

約数ペア:

[(1, 19290238), (2, 9645119), (11, 1753658), (22, 876829), (23, 838706), (46, 419353), (67, 287914), (134, 143957), (253, 76246), (506, 38123), (569, 33902), (737, 26174), (1138, 16951), (1474, 13087), (1541, 12518), (3082, 6259)]