19998270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9697

約数の個数: 48

約数和(自身を含む): 54261792

約数和(自身を除く): 34263522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9661, 19322, 28983, 48305, 57966, 86949, 96610, 144915, 173898, 222203, 289830, 434745, 444406, 666609, 869490, 1111015, 1333218, 1999827, 2222030, 3333045, 3999654, 6666090, 9999135, 19998270]

約数ペア:

[(1, 19998270), (2, 9999135), (3, 6666090), (5, 3999654), (6, 3333045), (9, 2222030), (10, 1999827), (15, 1333218), (18, 1111015), (23, 869490), (30, 666609), (45, 444406), (46, 434745), (69, 289830), (90, 222203), (115, 173898), (138, 144915), (207, 96610), (230, 86949), (345, 57966), (414, 48305), (690, 28983), (1035, 19322), (2070, 9661)]