19645956368

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{21799}}^1$

素因数の和:21940

約数の個数: 80

約数和(自身を含む): 41521152000

約数和(自身を除く): 21875195632

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 79, 92, 124, 158, 184, 248, 316, 368, 496, 632, 713, 1264, 1426, 1817, 2449, 2852, 3634, 4898, 5704, 7268, 9796, 11408, 14536, 19592, 21799, 29072, 39184, 43598, 56327, 87196, 112654, 174392, 225308, 348784, 450616, 501377, 675769, 901232, 1002754, 1351538, 1722121, 2005508, 2703076, 3444242, 4011016, 5406152, 6888484, 8022032, 10812304, 13776968, 15542687, 27553936, 31085374, 39608783, 53385751, 62170748, 79217566, 106771502, 124341496, 158435132, 213543004, 248682992, 316870264, 427086008, 633740528, 854172016, 1227872273, 2455744546, 4911489092, 9822978184, 19645956368]

約数ペア:

[(1, 19645956368), (2, 9822978184), (4, 4911489092), (8, 2455744546), (16, 1227872273), (23, 854172016), (31, 633740528), (46, 427086008), (62, 316870264), (79, 248682992), (92, 213543004), (124, 158435132), (158, 124341496), (184, 106771502), (248, 79217566), (316, 62170748), (368, 53385751), (496, 39608783), (632, 31085374), (713, 27553936), (1264, 15542687), (1426, 13776968), (1817, 10812304), (2449, 8022032), (2852, 6888484), (3634, 5406152), (4898, 4011016), (5704, 3444242), (7268, 2703076), (9796, 2005508), (11408, 1722121), (14536, 1351538), (19592, 1002754), (21799, 901232), (29072, 675769), (39184, 501377), (43598, 450616), (56327, 348784), (87196, 225308), (112654, 174392)]