19489080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 65418840

約数和(自身を除く): 45929760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 248, 260, 310, 312, 338, 372, 390, 403, 465, 507, 520, 620, 676, 744, 780, 806, 845, 930, 961, 1014, 1209, 1240, 1352, 1560, 1612, 1690, 1860, 1922, 2015, 2028, 2418, 2535, 2883, 3224, 3380, 3720, 3844, 4030, 4056, 4805, 4836, 5070, 5239, 5766, 6045, 6760, 7688, 8060, 9610, 9672, 10140, 10478, 11532, 12090, 12493, 14415, 15717, 16120, 19220, 20280, 20956, 23064, 24180, 24986, 26195, 28830, 31434, 37479, 38440, 41912, 48360, 49972, 52390, 57660, 62465, 62868, 74958, 78585, 99944, 104780, 115320, 124930, 125736, 149916, 157170, 162409, 187395, 209560, 249860, 299832, 314340, 324818, 374790, 487227, 499720, 628680, 649636, 749580, 812045, 974454, 1299272, 1499160, 1624090, 1948908, 2436135, 3248180, 3897816, 4872270, 6496360, 9744540, 19489080]

約数ペア:

[(1, 19489080), (2, 9744540), (3, 6496360), (4, 4872270), (5, 3897816), (6, 3248180), (8, 2436135), (10, 1948908), (12, 1624090), (13, 1499160), (15, 1299272), (20, 974454), (24, 812045), (26, 749580), (30, 649636), (31, 628680), (39, 499720), (40, 487227), (52, 374790), (60, 324818), (62, 314340), (65, 299832), (78, 249860), (93, 209560), (104, 187395), (120, 162409), (124, 157170), (130, 149916), (155, 125736), (156, 124930), (169, 115320), (186, 104780), (195, 99944), (248, 78585), (260, 74958), (310, 62868), (312, 62465), (338, 57660), (372, 52390), (390, 49972), (403, 48360), (465, 41912), (507, 38440), (520, 37479), (620, 31434), (676, 28830), (744, 26195), (780, 24986), (806, 24180), (845, 23064), (930, 20956), (961, 20280), (1014, 19220), (1209, 16120), (1240, 15717), (1352, 14415), (1560, 12493), (1612, 12090), (1690, 11532), (1860, 10478), (1922, 10140), (2015, 9672), (2028, 9610), (2418, 8060), (2535, 7688), (2883, 6760), (3224, 6045), (3380, 5766), (3720, 5239), (3844, 5070), (4030, 4836), (4056, 4805)]