19485930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 28984470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 101, 109, 118, 177, 202, 218, 295, 303, 327, 354, 505, 545, 590, 606, 654, 885, 1010, 1090, 1515, 1635, 1770, 3030, 3270, 5959, 6431, 11009, 11918, 12862, 17877, 19293, 22018, 29795, 32155, 33027, 35754, 38586, 55045, 59590, 64310, 66054, 89385, 96465, 110090, 165135, 178770, 192930, 330270, 649531, 1299062, 1948593, 3247655, 3897186, 6495310, 9742965, 19485930]

約数ペア:

[(1, 19485930), (2, 9742965), (3, 6495310), (5, 3897186), (6, 3247655), (10, 1948593), (15, 1299062), (30, 649531), (59, 330270), (101, 192930), (109, 178770), (118, 165135), (177, 110090), (202, 96465), (218, 89385), (295, 66054), (303, 64310), (327, 59590), (354, 55045), (505, 38586), (545, 35754), (590, 33027), (606, 32155), (654, 29795), (885, 22018), (1010, 19293), (1090, 17877), (1515, 12862), (1635, 11918), (1770, 11009), (3030, 6431), (3270, 5959)]