19308915

素因数分解:

$3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 34516800

約数和(自身を除く): 15207885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 281, 509, 843, 1405, 1527, 2529, 2545, 4215, 4581, 7587, 7635, 12645, 13743, 22905, 37935, 68715, 143029, 429087, 715145, 1287261, 2145435, 3861783, 6436305, 19308915]

約数ペア:

[(1, 19308915), (3, 6436305), (5, 3861783), (9, 2145435), (15, 1287261), (27, 715145), (45, 429087), (135, 143029), (281, 68715), (509, 37935), (843, 22905), (1405, 13743), (1527, 12645), (2529, 7635), (2545, 7587), (4215, 4581)]