19684148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 19615756

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 107, 113, 148, 214, 226, 407, 428, 452, 814, 1177, 1243, 1628, 2354, 2486, 3959, 4181, 4708, 4972, 7918, 8362, 12091, 15836, 16724, 24182, 43549, 45991, 48364, 87098, 91982, 133001, 174196, 183964, 266002, 447367, 532004, 894734, 1789468, 4921037, 9842074, 19684148]

約数ペア:

[(1, 19684148), (2, 9842074), (4, 4921037), (11, 1789468), (22, 894734), (37, 532004), (44, 447367), (74, 266002), (107, 183964), (113, 174196), (148, 133001), (214, 91982), (226, 87098), (407, 48364), (428, 45991), (452, 43549), (814, 24182), (1177, 16724), (1243, 15836), (1628, 12091), (2354, 8362), (2486, 7918), (3959, 4972), (4181, 4708)]