19404999648

素因数分解:

$2^5\times 3^2\times {\mathrm{911}}^1\times {\mathrm{73961}}^1$

素因数の和:74888

約数の個数: 72

約数和(自身を含む): 55244288736

約数和(自身を除く): 35839289088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 911, 1822, 2733, 3644, 5466, 7288, 8199, 10932, 14576, 16398, 21864, 29152, 32796, 43728, 65592, 73961, 87456, 131184, 147922, 221883, 262368, 295844, 443766, 591688, 665649, 887532, 1183376, 1331298, 1775064, 2366752, 2662596, 3550128, 5325192, 7100256, 10650384, 21300768, 67378471, 134756942, 202135413, 269513884, 404270826, 539027768, 606406239, 808541652, 1078055536, 1212812478, 1617083304, 2156111072, 2425624956, 3234166608, 4851249912, 6468333216, 9702499824, 19404999648]

約数ペア:

[(1, 19404999648), (2, 9702499824), (3, 6468333216), (4, 4851249912), (6, 3234166608), (8, 2425624956), (9, 2156111072), (12, 1617083304), (16, 1212812478), (18, 1078055536), (24, 808541652), (32, 606406239), (36, 539027768), (48, 404270826), (72, 269513884), (96, 202135413), (144, 134756942), (288, 67378471), (911, 21300768), (1822, 10650384), (2733, 7100256), (3644, 5325192), (5466, 3550128), (7288, 2662596), (8199, 2366752), (10932, 1775064), (14576, 1331298), (16398, 1183376), (21864, 887532), (29152, 665649), (32796, 591688), (43728, 443766), (65592, 295844), (73961, 262368), (87456, 221883), (131184, 147922)]