18739908090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23135689}}^1$

素因数の和:23135708

約数の個数: 40

約数和(自身を含む): 50389532820

約数和(自身を除く): 31649624730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23135689, 46271378, 69407067, 115678445, 138814134, 208221201, 231356890, 347035335, 416442402, 624663603, 694070670, 1041106005, 1249327206, 1873990809, 2082212010, 3123318015, 3747981618, 6246636030, 9369954045, 18739908090]

約数ペア:

[(1, 18739908090), (2, 9369954045), (3, 6246636030), (5, 3747981618), (6, 3123318015), (9, 2082212010), (10, 1873990809), (15, 1249327206), (18, 1041106005), (27, 694070670), (30, 624663603), (45, 416442402), (54, 347035335), (81, 231356890), (90, 208221201), (135, 138814134), (162, 115678445), (270, 69407067), (405, 46271378), (810, 23135689)]