19262040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1041

約数の個数: 128

約数和(自身を含む): 68981760

約数和(自身を除く): 49719720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 997, 1288, 1380, 1610, 1932, 1994, 2415, 2760, 2991, 3220, 3864, 3988, 4830, 4985, 5982, 6440, 6979, 7976, 9660, 9970, 11964, 13958, 14955, 19320, 19940, 20937, 22931, 23928, 27916, 29910, 34895, 39880, 41874, 45862, 55832, 59820, 68793, 69790, 83748, 91724, 104685, 114655, 119640, 137586, 139580, 160517, 167496, 183448, 209370, 229310, 275172, 279160, 321034, 343965, 418740, 458620, 481551, 550344, 642068, 687930, 802585, 837480, 917240, 963102, 1284136, 1375860, 1605170, 1926204, 2407755, 2751720, 3210340, 3852408, 4815510, 6420680, 9631020, 19262040]

約数ペア:

[(1, 19262040), (2, 9631020), (3, 6420680), (4, 4815510), (5, 3852408), (6, 3210340), (7, 2751720), (8, 2407755), (10, 1926204), (12, 1605170), (14, 1375860), (15, 1284136), (20, 963102), (21, 917240), (23, 837480), (24, 802585), (28, 687930), (30, 642068), (35, 550344), (40, 481551), (42, 458620), (46, 418740), (56, 343965), (60, 321034), (69, 279160), (70, 275172), (84, 229310), (92, 209370), (105, 183448), (115, 167496), (120, 160517), (138, 139580), (140, 137586), (161, 119640), (168, 114655), (184, 104685), (210, 91724), (230, 83748), (276, 69790), (280, 68793), (322, 59820), (345, 55832), (420, 45862), (460, 41874), (483, 39880), (552, 34895), (644, 29910), (690, 27916), (805, 23928), (840, 22931), (920, 20937), (966, 19940), (997, 19320), (1288, 14955), (1380, 13958), (1610, 11964), (1932, 9970), (1994, 9660), (2415, 7976), (2760, 6979), (2991, 6440), (3220, 5982), (3864, 4985), (3988, 4830)]