18017584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 60

約数和(自身を含む): 39313456

約数和(自身を除く): 21295872

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 103, 104, 116, 206, 208, 232, 377, 412, 464, 754, 824, 841, 1339, 1508, 1648, 1682, 2678, 2987, 3016, 3364, 5356, 5974, 6032, 6728, 10712, 10933, 11948, 13456, 21424, 21866, 23896, 38831, 43732, 47792, 77662, 86623, 87464, 155324, 173246, 174928, 310648, 346492, 621296, 692984, 1126099, 1385968, 2252198, 4504396, 9008792, 18017584]

約数ペア:

[(1, 18017584), (2, 9008792), (4, 4504396), (8, 2252198), (13, 1385968), (16, 1126099), (26, 692984), (29, 621296), (52, 346492), (58, 310648), (103, 174928), (104, 173246), (116, 155324), (206, 87464), (208, 86623), (232, 77662), (377, 47792), (412, 43732), (464, 38831), (754, 23896), (824, 21866), (841, 21424), (1339, 13456), (1508, 11948), (1648, 10933), (1682, 10712), (2678, 6728), (2987, 6032), (3016, 5974), (3364, 5356)]