19993757832

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{26399}}^1$

素因数の和:26635

約数の個数: 96

約数和(自身を含む): 55310112000

約数和(自身を除く): 35316354168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 157, 201, 268, 314, 402, 471, 536, 603, 628, 804, 942, 1206, 1256, 1413, 1608, 1884, 2412, 2826, 3768, 4824, 5652, 10519, 11304, 21038, 26399, 31557, 42076, 52798, 63114, 79197, 84152, 94671, 105596, 126228, 158394, 189342, 211192, 237591, 252456, 316788, 378684, 475182, 633576, 757368, 950364, 1768733, 1900728, 3537466, 4144643, 5306199, 7074932, 8289286, 10612398, 12433929, 14149864, 15918597, 16578572, 21224796, 24867858, 31837194, 33157144, 37301787, 42449592, 49735716, 63674388, 74603574, 99471432, 127348776, 149207148, 277691081, 298414296, 555382162, 833073243, 1110764324, 1666146486, 2221528648, 2499219729, 3332292972, 4998439458, 6664585944, 9996878916, 19993757832]

約数ペア:

[(1, 19993757832), (2, 9996878916), (3, 6664585944), (4, 4998439458), (6, 3332292972), (8, 2499219729), (9, 2221528648), (12, 1666146486), (18, 1110764324), (24, 833073243), (36, 555382162), (67, 298414296), (72, 277691081), (134, 149207148), (157, 127348776), (201, 99471432), (268, 74603574), (314, 63674388), (402, 49735716), (471, 42449592), (536, 37301787), (603, 33157144), (628, 31837194), (804, 24867858), (942, 21224796), (1206, 16578572), (1256, 15918597), (1413, 14149864), (1608, 12433929), (1884, 10612398), (2412, 8289286), (2826, 7074932), (3768, 5306199), (4824, 4144643), (5652, 3537466), (10519, 1900728), (11304, 1768733), (21038, 950364), (26399, 757368), (31557, 633576), (42076, 475182), (52798, 378684), (63114, 316788), (79197, 252456), (84152, 237591), (94671, 211192), (105596, 189342), (126228, 158394)]