18480464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 22231216

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 53, 62, 74, 76, 106, 124, 148, 152, 212, 248, 296, 304, 424, 496, 589, 592, 703, 848, 1007, 1147, 1178, 1406, 1643, 1961, 2014, 2294, 2356, 2812, 3286, 3922, 4028, 4588, 4712, 5624, 6572, 7844, 8056, 9176, 9424, 11248, 13144, 15688, 16112, 18352, 21793, 26288, 31217, 31376, 37259, 43586, 60791, 62434, 74518, 87172, 121582, 124868, 149036, 174344, 243164, 249736, 298072, 348688, 486328, 499472, 596144, 972656, 1155029, 2310058, 4620116, 9240232, 18480464]

約数ペア:

[(1, 18480464), (2, 9240232), (4, 4620116), (8, 2310058), (16, 1155029), (19, 972656), (31, 596144), (37, 499472), (38, 486328), (53, 348688), (62, 298072), (74, 249736), (76, 243164), (106, 174344), (124, 149036), (148, 124868), (152, 121582), (212, 87172), (248, 74518), (296, 62434), (304, 60791), (424, 43586), (496, 37259), (589, 31376), (592, 31217), (703, 26288), (848, 21793), (1007, 18352), (1147, 16112), (1178, 15688), (1406, 13144), (1643, 11248), (1961, 9424), (2014, 9176), (2294, 8056), (2356, 7844), (2812, 6572), (3286, 5624), (3922, 4712), (4028, 4588)]