18623072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 21384448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 356, 416, 503, 712, 1006, 1157, 1424, 2012, 2314, 2848, 4024, 4628, 6539, 8048, 9256, 13078, 16096, 18512, 26156, 37024, 44767, 52312, 89534, 104624, 179068, 209248, 358136, 581971, 716272, 1163942, 1432544, 2327884, 4655768, 9311536, 18623072]

約数ペア:

[(1, 18623072), (2, 9311536), (4, 4655768), (8, 2327884), (13, 1432544), (16, 1163942), (26, 716272), (32, 581971), (52, 358136), (89, 209248), (104, 179068), (178, 104624), (208, 89534), (356, 52312), (416, 44767), (503, 37024), (712, 26156), (1006, 18512), (1157, 16096), (1424, 13078), (2012, 9256), (2314, 8048), (2848, 6539), (4024, 4628)]