18247980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16007}}^1$

素因数の和:16038

約数の個数: 48

約数和(自身を含む): 53786880

約数和(自身を除く): 35538900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16007, 32014, 48021, 64028, 80035, 96042, 160070, 192084, 240105, 304133, 320140, 480210, 608266, 912399, 960420, 1216532, 1520665, 1824798, 3041330, 3649596, 4561995, 6082660, 9123990, 18247980]

約数ペア:

[(1, 18247980), (2, 9123990), (3, 6082660), (4, 4561995), (5, 3649596), (6, 3041330), (10, 1824798), (12, 1520665), (15, 1216532), (19, 960420), (20, 912399), (30, 608266), (38, 480210), (57, 320140), (60, 304133), (76, 240105), (95, 192084), (114, 160070), (190, 96042), (228, 80035), (285, 64028), (380, 48021), (570, 32014), (1140, 16007)]