18442768

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 39307008

約数和(自身を除く): 20864240

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 103, 124, 152, 206, 248, 304, 361, 412, 496, 589, 722, 824, 1178, 1444, 1648, 1957, 2356, 2888, 3193, 3914, 4712, 5776, 6386, 7828, 9424, 11191, 12772, 15656, 22382, 25544, 31312, 37183, 44764, 51088, 60667, 74366, 89528, 121334, 148732, 179056, 242668, 297464, 485336, 594928, 970672, 1152673, 2305346, 4610692, 9221384, 18442768]

約数ペア:

[(1, 18442768), (2, 9221384), (4, 4610692), (8, 2305346), (16, 1152673), (19, 970672), (31, 594928), (38, 485336), (62, 297464), (76, 242668), (103, 179056), (124, 148732), (152, 121334), (206, 89528), (248, 74366), (304, 60667), (361, 51088), (412, 44764), (496, 37183), (589, 31312), (722, 25544), (824, 22382), (1178, 15656), (1444, 12772), (1648, 11191), (1957, 9424), (2356, 7828), (2888, 6386), (3193, 5776), (3914, 4712)]