19855450680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{669887}}^1$

素因数の和:669933

約数の個数: 128

約数和(自身を含む): 67524710400

約数和(自身を除く): 47669259720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640, 669887, 1339774, 2009661, 2679548, 3349435, 4019322, 5359096, 6698870, 8038644, 8708531, 10048305, 12727853, 13397740, 16077288, 17417062, 20096610, 25455706, 26125593, 26795480, 34834124, 38183559, 40193220, 43542655, 50911412, 52251186, 63639265, 69668248, 76367118, 80386440, 87085310, 101822824, 104502372, 127278530, 130627965, 152734236, 165462089, 174170620, 190917795, 209004744, 254557060, 261255930, 305468472, 330924178, 348341240, 381835590, 496386267, 509114120, 522511860, 661848356, 763671180, 827310445, 992772534, 1045023720, 1323696712, 1527342360, 1654620890, 1985545068, 2481931335, 3309241780, 3971090136, 4963862670, 6618483560, 9927725340, 19855450680]

約数ペア:

[(1, 19855450680), (2, 9927725340), (3, 6618483560), (4, 4963862670), (5, 3971090136), (6, 3309241780), (8, 2481931335), (10, 1985545068), (12, 1654620890), (13, 1527342360), (15, 1323696712), (19, 1045023720), (20, 992772534), (24, 827310445), (26, 763671180), (30, 661848356), (38, 522511860), (39, 509114120), (40, 496386267), (52, 381835590), (57, 348341240), (60, 330924178), (65, 305468472), (76, 261255930), (78, 254557060), (95, 209004744), (104, 190917795), (114, 174170620), (120, 165462089), (130, 152734236), (152, 130627965), (156, 127278530), (190, 104502372), (195, 101822824), (228, 87085310), (247, 80386440), (260, 76367118), (285, 69668248), (312, 63639265), (380, 52251186), (390, 50911412), (456, 43542655), (494, 40193220), (520, 38183559), (570, 34834124), (741, 26795480), (760, 26125593), (780, 25455706), (988, 20096610), (1140, 17417062), (1235, 16077288), (1482, 13397740), (1560, 12727853), (1976, 10048305), (2280, 8708531), (2470, 8038644), (2964, 6698870), (3705, 5359096), (4940, 4019322), (5928, 3349435), (7410, 2679548), (9880, 2009661), (14820, 1339774), (29640, 669887)]