18923392

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22203008

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 251, 304, 496, 502, 589, 608, 992, 1004, 1178, 1216, 1984, 2008, 2356, 2432, 3968, 4016, 4712, 4769, 7781, 8032, 9424, 9538, 15562, 16064, 18848, 19076, 31124, 32128, 37696, 38152, 62248, 75392, 76304, 124496, 147839, 152608, 248992, 295678, 305216, 497984, 591356, 610432, 995968, 1182712, 2365424, 4730848, 9461696, 18923392]

約数ペア:

[(1, 18923392), (2, 9461696), (4, 4730848), (8, 2365424), (16, 1182712), (19, 995968), (31, 610432), (32, 591356), (38, 497984), (62, 305216), (64, 295678), (76, 248992), (124, 152608), (128, 147839), (152, 124496), (248, 76304), (251, 75392), (304, 62248), (496, 38152), (502, 37696), (589, 32128), (608, 31124), (992, 19076), (1004, 18848), (1178, 16064), (1216, 15562), (1984, 9538), (2008, 9424), (2356, 8032), (2432, 7781), (3968, 4769), (4016, 4712)]