19655636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4944

約数の個数: 48

約数和(自身を含む): 46193280

約数和(自身を除く): 26537644

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4909, 9818, 19636, 34363, 53999, 63817, 68726, 107998, 127634, 137452, 215996, 255268, 377993, 446719, 701987, 755986, 893438, 1403974, 1511972, 1786876, 2807948, 4913909, 9827818, 19655636]

約数ペア:

[(1, 19655636), (2, 9827818), (4, 4913909), (7, 2807948), (11, 1786876), (13, 1511972), (14, 1403974), (22, 893438), (26, 755986), (28, 701987), (44, 446719), (52, 377993), (77, 255268), (91, 215996), (143, 137452), (154, 127634), (182, 107998), (286, 68726), (308, 63817), (364, 53999), (572, 34363), (1001, 19636), (2002, 9818), (4004, 4909)]