19736220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 64938384

約数和(自身を除く): 45202164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 245, 274, 294, 343, 411, 420, 490, 548, 588, 685, 686, 735, 822, 959, 980, 1029, 1370, 1372, 1470, 1644, 1715, 1918, 2055, 2058, 2401, 2740, 2877, 2940, 3430, 3836, 4110, 4116, 4795, 4802, 5145, 5754, 6713, 6860, 7203, 8220, 9590, 9604, 10290, 11508, 12005, 13426, 14385, 14406, 19180, 20139, 20580, 24010, 26852, 28770, 28812, 33565, 36015, 40278, 46991, 48020, 57540, 67130, 72030, 80556, 93982, 100695, 134260, 140973, 144060, 187964, 201390, 234955, 281946, 328937, 402780, 469910, 563892, 657874, 704865, 939820, 986811, 1315748, 1409730, 1644685, 1973622, 2819460, 3289370, 3947244, 4934055, 6578740, 9868110, 19736220]

約数ペア:

[(1, 19736220), (2, 9868110), (3, 6578740), (4, 4934055), (5, 3947244), (6, 3289370), (7, 2819460), (10, 1973622), (12, 1644685), (14, 1409730), (15, 1315748), (20, 986811), (21, 939820), (28, 704865), (30, 657874), (35, 563892), (42, 469910), (49, 402780), (60, 328937), (70, 281946), (84, 234955), (98, 201390), (105, 187964), (137, 144060), (140, 140973), (147, 134260), (196, 100695), (210, 93982), (245, 80556), (274, 72030), (294, 67130), (343, 57540), (411, 48020), (420, 46991), (490, 40278), (548, 36015), (588, 33565), (685, 28812), (686, 28770), (735, 26852), (822, 24010), (959, 20580), (980, 20139), (1029, 19180), (1370, 14406), (1372, 14385), (1470, 13426), (1644, 12005), (1715, 11508), (1918, 10290), (2055, 9604), (2058, 9590), (2401, 8220), (2740, 7203), (2877, 6860), (2940, 6713), (3430, 5754), (3836, 5145), (4110, 4802), (4116, 4795)]