19715085

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 17709939

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 503, 585, 603, 871, 1005, 1509, 2515, 2613, 3015, 4355, 4527, 6539, 7545, 7839, 13065, 19617, 22635, 32695, 33701, 39195, 58851, 98085, 101103, 168505, 294255, 303309, 438113, 505515, 1314339, 1516545, 2190565, 3943017, 6571695, 19715085]

約数ペア:

[(1, 19715085), (3, 6571695), (5, 3943017), (9, 2190565), (13, 1516545), (15, 1314339), (39, 505515), (45, 438113), (65, 303309), (67, 294255), (117, 168505), (195, 101103), (201, 98085), (335, 58851), (503, 39195), (585, 33701), (603, 32695), (871, 22635), (1005, 19617), (1509, 13065), (2515, 7839), (2613, 7545), (3015, 6539), (4355, 4527)]