19337890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13523}}^1$

素因数の和:13554

約数の個数: 32

約数和(自身を含む): 40896576

約数和(自身を除く): 21558686

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13523, 27046, 67615, 135230, 148753, 175799, 297506, 351598, 743765, 878995, 1487530, 1757990, 1933789, 3867578, 9668945, 19337890]

約数ペア:

[(1, 19337890), (2, 9668945), (5, 3867578), (10, 1933789), (11, 1757990), (13, 1487530), (22, 878995), (26, 743765), (55, 351598), (65, 297506), (110, 175799), (130, 148753), (143, 135230), (286, 67615), (715, 27046), (1430, 13523)]