19478724

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 29678076

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2309, 2812, 4218, 4618, 6927, 8436, 9236, 13854, 27708, 43871, 85433, 87742, 131613, 170866, 175484, 256299, 263226, 341732, 512598, 526452, 1025196, 1623227, 3246454, 4869681, 6492908, 9739362, 19478724]

約数ペア:

[(1, 19478724), (2, 9739362), (3, 6492908), (4, 4869681), (6, 3246454), (12, 1623227), (19, 1025196), (37, 526452), (38, 512598), (57, 341732), (74, 263226), (76, 256299), (111, 175484), (114, 170866), (148, 131613), (222, 87742), (228, 85433), (444, 43871), (703, 27708), (1406, 13854), (2109, 9236), (2309, 8436), (2812, 6927), (4218, 4618)]