18942560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1336

約数の個数: 96

約数和(自身を含む): 55121472

約数和(自身を除く): 36178912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1301, 1456, 1820, 2080, 2602, 2912, 3640, 5204, 6505, 7280, 9107, 10408, 13010, 14560, 16913, 18214, 20816, 26020, 33826, 36428, 41632, 45535, 52040, 67652, 72856, 84565, 91070, 104080, 118391, 135304, 145712, 169130, 182140, 208160, 236782, 270608, 291424, 338260, 364280, 473564, 541216, 591955, 676520, 728560, 947128, 1183910, 1353040, 1457120, 1894256, 2367820, 2706080, 3788512, 4735640, 9471280, 18942560]

約数ペア:

[(1, 18942560), (2, 9471280), (4, 4735640), (5, 3788512), (7, 2706080), (8, 2367820), (10, 1894256), (13, 1457120), (14, 1353040), (16, 1183910), (20, 947128), (26, 728560), (28, 676520), (32, 591955), (35, 541216), (40, 473564), (52, 364280), (56, 338260), (65, 291424), (70, 270608), (80, 236782), (91, 208160), (104, 182140), (112, 169130), (130, 145712), (140, 135304), (160, 118391), (182, 104080), (208, 91070), (224, 84565), (260, 72856), (280, 67652), (364, 52040), (416, 45535), (455, 41632), (520, 36428), (560, 33826), (728, 26020), (910, 20816), (1040, 18214), (1120, 16913), (1301, 14560), (1456, 13010), (1820, 10408), (2080, 9107), (2602, 7280), (2912, 6505), (3640, 5204)]