19260045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 20483955

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 89, 105, 135, 189, 229, 267, 315, 445, 623, 687, 801, 945, 1145, 1335, 1603, 1869, 2061, 2403, 3115, 3435, 4005, 4809, 5607, 6183, 8015, 9345, 10305, 12015, 14427, 16821, 20381, 24045, 28035, 30915, 43281, 61143, 72135, 84105, 101905, 142667, 183429, 216405, 305715, 428001, 550287, 713335, 917145, 1284003, 2140005, 2751435, 3852009, 6420015, 19260045]

約数ペア:

[(1, 19260045), (3, 6420015), (5, 3852009), (7, 2751435), (9, 2140005), (15, 1284003), (21, 917145), (27, 713335), (35, 550287), (45, 428001), (63, 305715), (89, 216405), (105, 183429), (135, 142667), (189, 101905), (229, 84105), (267, 72135), (315, 61143), (445, 43281), (623, 30915), (687, 28035), (801, 24045), (945, 20381), (1145, 16821), (1335, 14427), (1603, 12015), (1869, 10305), (2061, 9345), (2403, 8015), (3115, 6183), (3435, 5607), (4005, 4809)]