17949196912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2502

約数の個数: 80

約数和(自身を含む): 36838912000

約数和(自身を除く): 18889715088

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 421, 496, 688, 842, 1333, 1684, 1999, 2666, 3368, 3998, 5332, 6736, 7996, 10664, 13051, 15992, 18103, 21328, 26102, 31984, 36206, 52204, 61969, 72412, 85957, 104408, 123938, 144824, 171914, 208816, 247876, 289648, 343828, 495752, 561193, 687656, 841579, 991504, 1122386, 1375312, 1683158, 2244772, 2664667, 3366316, 4489544, 5329334, 6732632, 8979088, 10658668, 13465264, 21317336, 26088949, 36187897, 42634672, 52177898, 72375794, 104355796, 144751588, 208711592, 289503176, 417423184, 579006352, 1121824807, 2243649614, 4487299228, 8974598456, 17949196912]

約数ペア:

[(1, 17949196912), (2, 8974598456), (4, 4487299228), (8, 2243649614), (16, 1121824807), (31, 579006352), (43, 417423184), (62, 289503176), (86, 208711592), (124, 144751588), (172, 104355796), (248, 72375794), (344, 52177898), (421, 42634672), (496, 36187897), (688, 26088949), (842, 21317336), (1333, 13465264), (1684, 10658668), (1999, 8979088), (2666, 6732632), (3368, 5329334), (3998, 4489544), (5332, 3366316), (6736, 2664667), (7996, 2244772), (10664, 1683158), (13051, 1375312), (15992, 1122386), (18103, 991504), (21328, 841579), (26102, 687656), (31984, 561193), (36206, 495752), (52204, 343828), (61969, 289648), (72412, 247876), (85957, 208816), (104408, 171914), (123938, 144824)]