19433440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9343}}^1$

素因数の和:9371

約数の個数: 48

約数和(自身を含む): 49448448

約数和(自身を除く): 30015008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9343, 18686, 37372, 46715, 74744, 93430, 121459, 149488, 186860, 242918, 298976, 373720, 485836, 607295, 747440, 971672, 1214590, 1494880, 1943344, 2429180, 3886688, 4858360, 9716720, 19433440]

約数ペア:

[(1, 19433440), (2, 9716720), (4, 4858360), (5, 3886688), (8, 2429180), (10, 1943344), (13, 1494880), (16, 1214590), (20, 971672), (26, 747440), (32, 607295), (40, 485836), (52, 373720), (65, 298976), (80, 242918), (104, 186860), (130, 149488), (160, 121459), (208, 93430), (260, 74744), (416, 46715), (520, 37372), (1040, 18686), (2080, 9343)]