18259912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 40147200

約数和(自身を除く): 21887288

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 67, 76, 88, 134, 152, 163, 209, 268, 326, 418, 536, 652, 737, 836, 1273, 1304, 1474, 1672, 1793, 2546, 2948, 3097, 3586, 5092, 5896, 6194, 7172, 10184, 10921, 12388, 14003, 14344, 21842, 24776, 28006, 34067, 43684, 56012, 68134, 87368, 112024, 120131, 136268, 207499, 240262, 272536, 414998, 480524, 829996, 961048, 1659992, 2282489, 4564978, 9129956, 18259912]

約数ペア:

[(1, 18259912), (2, 9129956), (4, 4564978), (8, 2282489), (11, 1659992), (19, 961048), (22, 829996), (38, 480524), (44, 414998), (67, 272536), (76, 240262), (88, 207499), (134, 136268), (152, 120131), (163, 112024), (209, 87368), (268, 68134), (326, 56012), (418, 43684), (536, 34067), (652, 28006), (737, 24776), (836, 21842), (1273, 14344), (1304, 14003), (1474, 12388), (1672, 10921), (1793, 10184), (2546, 7172), (2948, 6194), (3097, 5896), (3586, 5092)]