19738790172

素因数分解:

$2^2\times 3^2\times {\mathrm{1901}}^1\times {\mathrm{288427}}^1$

素因数の和:290338

約数の個数: 36

約数和(自身を含む): 49921695096

約数和(自身を除く): 30182904924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1901, 3802, 5703, 7604, 11406, 17109, 22812, 34218, 68436, 288427, 576854, 865281, 1153708, 1730562, 2595843, 3461124, 5191686, 10383372, 548299727, 1096599454, 1644899181, 2193198908, 3289798362, 4934697543, 6579596724, 9869395086, 19738790172]

約数ペア:

[(1, 19738790172), (2, 9869395086), (3, 6579596724), (4, 4934697543), (6, 3289798362), (9, 2193198908), (12, 1644899181), (18, 1096599454), (36, 548299727), (1901, 10383372), (3802, 5191686), (5703, 3461124), (7604, 2595843), (11406, 1730562), (17109, 1153708), (22812, 865281), (34218, 576854), (68436, 288427)]