19314880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4643}}^1$

素因数の和:4673

約数の個数: 56

約数和(自身を含む): 49542192

約数和(自身を除く): 30227312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4643, 9286, 18572, 23215, 37144, 46430, 60359, 74288, 92860, 120718, 148576, 185720, 241436, 297152, 301795, 371440, 482872, 603590, 742880, 965744, 1207180, 1485760, 1931488, 2414360, 3862976, 4828720, 9657440, 19314880]

約数ペア:

[(1, 19314880), (2, 9657440), (4, 4828720), (5, 3862976), (8, 2414360), (10, 1931488), (13, 1485760), (16, 1207180), (20, 965744), (26, 742880), (32, 603590), (40, 482872), (52, 371440), (64, 301795), (65, 297152), (80, 241436), (104, 185720), (130, 148576), (160, 120718), (208, 92860), (260, 74288), (320, 60359), (416, 46430), (520, 37144), (832, 23215), (1040, 18572), (2080, 9286), (4160, 4643)]