19525660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 52899840

約数和(自身を除く): 33374180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 409, 434, 620, 682, 770, 818, 868, 1085, 1364, 1540, 1636, 1705, 2045, 2170, 2387, 2863, 3410, 4090, 4340, 4499, 4774, 5726, 6820, 8180, 8998, 9548, 11452, 11935, 12679, 14315, 17996, 22495, 23870, 25358, 28630, 31493, 44990, 47740, 50716, 57260, 62986, 63395, 88753, 89980, 125972, 126790, 139469, 157465, 177506, 253580, 278938, 314930, 355012, 443765, 557876, 629860, 697345, 887530, 976283, 1394690, 1775060, 1952566, 2789380, 3905132, 4881415, 9762830, 19525660]

約数ペア:

[(1, 19525660), (2, 9762830), (4, 4881415), (5, 3905132), (7, 2789380), (10, 1952566), (11, 1775060), (14, 1394690), (20, 976283), (22, 887530), (28, 697345), (31, 629860), (35, 557876), (44, 443765), (55, 355012), (62, 314930), (70, 278938), (77, 253580), (110, 177506), (124, 157465), (140, 139469), (154, 126790), (155, 125972), (217, 89980), (220, 88753), (308, 63395), (310, 62986), (341, 57260), (385, 50716), (409, 47740), (434, 44990), (620, 31493), (682, 28630), (770, 25358), (818, 23870), (868, 22495), (1085, 17996), (1364, 14315), (1540, 12679), (1636, 11935), (1705, 11452), (2045, 9548), (2170, 8998), (2387, 8180), (2863, 6820), (3410, 5726), (4090, 4774), (4340, 4499)]