18372400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 60

約数和(自身を含む): 46081872

約数和(自身を除く): 27709472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 1997, 2300, 3994, 4600, 7988, 9200, 9985, 15976, 19970, 31952, 39940, 45931, 49925, 79880, 91862, 99850, 159760, 183724, 199700, 229655, 367448, 399400, 459310, 734896, 798800, 918620, 1148275, 1837240, 2296550, 3674480, 4593100, 9186200, 18372400]

約数ペア:

[(1, 18372400), (2, 9186200), (4, 4593100), (5, 3674480), (8, 2296550), (10, 1837240), (16, 1148275), (20, 918620), (23, 798800), (25, 734896), (40, 459310), (46, 399400), (50, 367448), (80, 229655), (92, 199700), (100, 183724), (115, 159760), (184, 99850), (200, 91862), (230, 79880), (368, 49925), (400, 45931), (460, 39940), (575, 31952), (920, 19970), (1150, 15976), (1840, 9985), (1997, 9200), (2300, 7988), (3994, 4600)]