19199180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 55502496

約数和(自身を除く): 36303316

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 137, 140, 143, 154, 182, 196, 220, 245, 260, 274, 286, 308, 364, 385, 455, 490, 539, 548, 572, 637, 685, 715, 770, 910, 959, 980, 1001, 1078, 1274, 1370, 1430, 1507, 1540, 1781, 1820, 1918, 2002, 2156, 2548, 2695, 2740, 2860, 3014, 3185, 3562, 3836, 4004, 4795, 5005, 5390, 6028, 6370, 6713, 7007, 7124, 7535, 8905, 9590, 10010, 10549, 10780, 12467, 12740, 13426, 14014, 15070, 17810, 19180, 19591, 20020, 21098, 24934, 26852, 28028, 30140, 33565, 35035, 35620, 39182, 42196, 49868, 52745, 62335, 67130, 70070, 73843, 78364, 87269, 97955, 105490, 124670, 134260, 137137, 140140, 147686, 174538, 195910, 210980, 249340, 274274, 295372, 349076, 369215, 391820, 436345, 548548, 685685, 738430, 872690, 959959, 1371370, 1476860, 1745380, 1919918, 2742740, 3839836, 4799795, 9599590, 19199180]

約数ペア:

[(1, 19199180), (2, 9599590), (4, 4799795), (5, 3839836), (7, 2742740), (10, 1919918), (11, 1745380), (13, 1476860), (14, 1371370), (20, 959959), (22, 872690), (26, 738430), (28, 685685), (35, 548548), (44, 436345), (49, 391820), (52, 369215), (55, 349076), (65, 295372), (70, 274274), (77, 249340), (91, 210980), (98, 195910), (110, 174538), (130, 147686), (137, 140140), (140, 137137), (143, 134260), (154, 124670), (182, 105490), (196, 97955), (220, 87269), (245, 78364), (260, 73843), (274, 70070), (286, 67130), (308, 62335), (364, 52745), (385, 49868), (455, 42196), (490, 39182), (539, 35620), (548, 35035), (572, 33565), (637, 30140), (685, 28028), (715, 26852), (770, 24934), (910, 21098), (959, 20020), (980, 19591), (1001, 19180), (1078, 17810), (1274, 15070), (1370, 14014), (1430, 13426), (1507, 12740), (1540, 12467), (1781, 10780), (1820, 10549), (1918, 10010), (2002, 9590), (2156, 8905), (2548, 7535), (2695, 7124), (2740, 7007), (2860, 6713), (3014, 6370), (3185, 6028), (3562, 5390), (3836, 5005), (4004, 4795)]