19661670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 61102080

約数和(自身を除く): 41440410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 101, 103, 105, 126, 135, 189, 202, 206, 210, 270, 303, 309, 315, 378, 505, 515, 606, 618, 630, 707, 721, 909, 927, 945, 1010, 1030, 1414, 1442, 1515, 1545, 1818, 1854, 1890, 2121, 2163, 2727, 2781, 3030, 3090, 3535, 3605, 4242, 4326, 4545, 4635, 5454, 5562, 6363, 6489, 7070, 7210, 9090, 9270, 10403, 10605, 10815, 12726, 12978, 13635, 13905, 19089, 19467, 20806, 21210, 21630, 27270, 27810, 31209, 31815, 32445, 38178, 38934, 52015, 62418, 63630, 64890, 72821, 93627, 95445, 97335, 104030, 145642, 156045, 187254, 190890, 194670, 218463, 280881, 312090, 364105, 436926, 468135, 561762, 655389, 728210, 936270, 1092315, 1310778, 1404405, 1966167, 2184630, 2808810, 3276945, 3932334, 6553890, 9830835, 19661670]

約数ペア:

[(1, 19661670), (2, 9830835), (3, 6553890), (5, 3932334), (6, 3276945), (7, 2808810), (9, 2184630), (10, 1966167), (14, 1404405), (15, 1310778), (18, 1092315), (21, 936270), (27, 728210), (30, 655389), (35, 561762), (42, 468135), (45, 436926), (54, 364105), (63, 312090), (70, 280881), (90, 218463), (101, 194670), (103, 190890), (105, 187254), (126, 156045), (135, 145642), (189, 104030), (202, 97335), (206, 95445), (210, 93627), (270, 72821), (303, 64890), (309, 63630), (315, 62418), (378, 52015), (505, 38934), (515, 38178), (606, 32445), (618, 31815), (630, 31209), (707, 27810), (721, 27270), (909, 21630), (927, 21210), (945, 20806), (1010, 19467), (1030, 19089), (1414, 13905), (1442, 13635), (1515, 12978), (1545, 12726), (1818, 10815), (1854, 10605), (1890, 10403), (2121, 9270), (2163, 9090), (2727, 7210), (2781, 7070), (3030, 6489), (3090, 6363), (3535, 5562), (3605, 5454), (4242, 4635), (4326, 4545)]