17998604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 35985600

約数和(自身を除く): 17986996

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 101, 149, 202, 298, 299, 404, 596, 598, 1196, 1313, 1937, 2323, 2626, 3427, 3874, 4646, 5252, 6854, 7748, 9292, 13708, 15049, 30098, 30199, 44551, 60196, 60398, 89102, 120796, 178204, 195637, 346127, 391274, 692254, 782548, 1384508, 4499651, 8999302, 17998604]

約数ペア:

[(1, 17998604), (2, 8999302), (4, 4499651), (13, 1384508), (23, 782548), (26, 692254), (46, 391274), (52, 346127), (92, 195637), (101, 178204), (149, 120796), (202, 89102), (298, 60398), (299, 60196), (404, 44551), (596, 30199), (598, 30098), (1196, 15049), (1313, 13708), (1937, 9292), (2323, 7748), (2626, 6854), (3427, 5252), (3874, 4646)]