19605560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 29232040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1019, 1480, 1924, 2038, 2405, 3848, 4076, 4810, 5095, 8152, 9620, 10190, 13247, 19240, 20380, 26494, 37703, 40760, 52988, 66235, 75406, 105976, 132470, 150812, 188515, 264940, 301624, 377030, 490139, 529880, 754060, 980278, 1508120, 1960556, 2450695, 3921112, 4901390, 9802780, 19605560]

約数ペア:

[(1, 19605560), (2, 9802780), (4, 4901390), (5, 3921112), (8, 2450695), (10, 1960556), (13, 1508120), (20, 980278), (26, 754060), (37, 529880), (40, 490139), (52, 377030), (65, 301624), (74, 264940), (104, 188515), (130, 150812), (148, 132470), (185, 105976), (260, 75406), (296, 66235), (370, 52988), (481, 40760), (520, 37703), (740, 26494), (962, 20380), (1019, 19240), (1480, 13247), (1924, 10190), (2038, 9620), (2405, 8152), (3848, 5095), (4076, 4810)]