19389280

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 46131120

約数和(自身を除く): 26741840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 677, 716, 895, 1354, 1432, 1790, 2708, 2864, 3385, 3580, 5416, 5728, 6770, 7160, 10832, 13540, 14320, 21664, 27080, 28640, 54160, 108320, 121183, 242366, 484732, 605915, 969464, 1211830, 1938928, 2423660, 3877856, 4847320, 9694640, 19389280]

約数ペア:

[(1, 19389280), (2, 9694640), (4, 4847320), (5, 3877856), (8, 2423660), (10, 1938928), (16, 1211830), (20, 969464), (32, 605915), (40, 484732), (80, 242366), (160, 121183), (179, 108320), (358, 54160), (677, 28640), (716, 27080), (895, 21664), (1354, 14320), (1432, 13540), (1790, 10832), (2708, 7160), (2864, 6770), (3385, 5728), (3580, 5416)]