19279890

素因数分解:

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

素因数の和:225

約数の個数: 96

約数和(自身を含む): 59345280

約数和(自身を除く): 40065390

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, 105, 126, 135, 189, 202, 210, 270, 303, 315, 378, 505, 606, 630, 707, 909, 945, 1010, 1414, 1515, 1818, 1890, 2121, 2727, 3030, 3535, 4242, 4545, 5454, 6363, 7070, 9090, 10201, 10605, 12726, 13635, 19089, 20402, 21210, 27270, 30603, 31815, 38178, 51005, 61206, 63630, 71407, 91809, 95445, 102010, 142814, 153015, 183618, 190890, 214221, 275427, 306030, 357035, 428442, 459045, 550854, 642663, 714070, 918090, 1071105, 1285326, 1377135, 1927989, 2142210, 2754270, 3213315, 3855978, 6426630, 9639945, 19279890]

約数ペア:

[(1, 19279890), (2, 9639945), (3, 6426630), (5, 3855978), (6, 3213315), (7, 2754270), (9, 2142210), (10, 1927989), (14, 1377135), (15, 1285326), (18, 1071105), (21, 918090), (27, 714070), (30, 642663), (35, 550854), (42, 459045), (45, 428442), (54, 357035), (63, 306030), (70, 275427), (90, 214221), (101, 190890), (105, 183618), (126, 153015), (135, 142814), (189, 102010), (202, 95445), (210, 91809), (270, 71407), (303, 63630), (315, 61206), (378, 51005), (505, 38178), (606, 31815), (630, 30603), (707, 27270), (909, 21210), (945, 20402), (1010, 19089), (1414, 13635), (1515, 12726), (1818, 10605), (1890, 10201), (2121, 9090), (2727, 7070), (3030, 6363), (3535, 5454), (4242, 4545)]