17921540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 47604480

約数和(自身を除く): 29682940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 229, 260, 301, 364, 430, 455, 458, 559, 602, 860, 910, 916, 1118, 1145, 1204, 1505, 1603, 1820, 2236, 2290, 2795, 2977, 3010, 3206, 3913, 4580, 5590, 5954, 6020, 6412, 7826, 8015, 9847, 11180, 11908, 14885, 15652, 16030, 19565, 19694, 20839, 29770, 32060, 39130, 39388, 41678, 49235, 59540, 68929, 78260, 83356, 98470, 104195, 128011, 137858, 196940, 208390, 256022, 275716, 344645, 416780, 512044, 640055, 689290, 896077, 1280110, 1378580, 1792154, 2560220, 3584308, 4480385, 8960770, 17921540]

約数ペア:

[(1, 17921540), (2, 8960770), (4, 4480385), (5, 3584308), (7, 2560220), (10, 1792154), (13, 1378580), (14, 1280110), (20, 896077), (26, 689290), (28, 640055), (35, 512044), (43, 416780), (52, 344645), (65, 275716), (70, 256022), (86, 208390), (91, 196940), (130, 137858), (140, 128011), (172, 104195), (182, 98470), (215, 83356), (229, 78260), (260, 68929), (301, 59540), (364, 49235), (430, 41678), (455, 39388), (458, 39130), (559, 32060), (602, 29770), (860, 20839), (910, 19694), (916, 19565), (1118, 16030), (1145, 15652), (1204, 14885), (1505, 11908), (1603, 11180), (1820, 9847), (2236, 8015), (2290, 7826), (2795, 6412), (2977, 6020), (3010, 5954), (3206, 5590), (3913, 4580)]