19415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1181}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 58721760

約数和(自身を除く): 39306120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1181, 1370, 1644, 2055, 2362, 2740, 3288, 3543, 4110, 4724, 5480, 5905, 7086, 8220, 9448, 11810, 14172, 16440, 17715, 23620, 28344, 35430, 47240, 70860, 141720, 161797, 323594, 485391, 647188, 808985, 970782, 1294376, 1617970, 1941564, 2426955, 3235940, 3883128, 4853910, 6471880, 9707820, 19415640]

約数ペア:

[(1, 19415640), (2, 9707820), (3, 6471880), (4, 4853910), (5, 3883128), (6, 3235940), (8, 2426955), (10, 1941564), (12, 1617970), (15, 1294376), (20, 970782), (24, 808985), (30, 647188), (40, 485391), (60, 323594), (120, 161797), (137, 141720), (274, 70860), (411, 47240), (548, 35430), (685, 28344), (822, 23620), (1096, 17715), (1181, 16440), (1370, 14172), (1644, 11810), (2055, 9448), (2362, 8220), (2740, 7086), (3288, 5905), (3543, 5480), (4110, 4724)]