2019202890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{4523}}^1$

素因数の和:5203

約数の個数: 64

約数和(自身を含む): 5065721856

約数和(自身を除く): 3046518966

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 647, 690, 1294, 1941, 3235, 3882, 4523, 6470, 9046, 9705, 13569, 14881, 19410, 22615, 27138, 29762, 44643, 45230, 67845, 74405, 89286, 104029, 135690, 148810, 208058, 223215, 312087, 446430, 520145, 624174, 1040290, 1560435, 2926381, 3120870, 5852762, 8779143, 14631905, 17558286, 29263810, 43895715, 67306763, 87791430, 134613526, 201920289, 336533815, 403840578, 673067630, 1009601445, 2019202890]

約数ペア:

[(1, 2019202890), (2, 1009601445), (3, 673067630), (5, 403840578), (6, 336533815), (10, 201920289), (15, 134613526), (23, 87791430), (30, 67306763), (46, 43895715), (69, 29263810), (115, 17558286), (138, 14631905), (230, 8779143), (345, 5852762), (647, 3120870), (690, 2926381), (1294, 1560435), (1941, 1040290), (3235, 624174), (3882, 520145), (4523, 446430), (6470, 312087), (9046, 223215), (9705, 208058), (13569, 148810), (14881, 135690), (19410, 104029), (22615, 89286), (27138, 74405), (29762, 67845), (44643, 45230)]