18796978980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1\times {\mathrm{4813}}^1$

素因数の和:6510

約数の個数: 144

約数和(自身を含む): 61453020720

約数和(自身を除く): 42656041740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1669, 2340, 3338, 4813, 5007, 6676, 8345, 9626, 10014, 14439, 15021, 16690, 19252, 20028, 21697, 24065, 25035, 28878, 30042, 33380, 43317, 43394, 48130, 50070, 57756, 60084, 62569, 65091, 72195, 75105, 86634, 86788, 96260, 100140, 108485, 125138, 130182, 144390, 150210, 173268, 187707, 195273, 216585, 216970, 250276, 260364, 288780, 300420, 312845, 325455, 375414, 390546, 433170, 433940, 563121, 625690, 650910, 750828, 781092, 866340, 938535, 976365, 1126242, 1251380, 1301820, 1877070, 1952730, 2252484, 2815605, 3754140, 3905460, 5631210, 8032897, 11262420, 16065794, 24098691, 32131588, 40164485, 48197382, 72296073, 80328970, 96394764, 104427661, 120493455, 144592146, 160657940, 208855322, 240986910, 289184292, 313282983, 361480365, 417710644, 481973820, 522138305, 626565966, 722960730, 939848949, 1044276610, 1253131932, 1445921460, 1566414915, 1879697898, 2088553220, 3132829830, 3759395796, 4699244745, 6265659660, 9398489490, 18796978980]

約数ペア:

[(1, 18796978980), (2, 9398489490), (3, 6265659660), (4, 4699244745), (5, 3759395796), (6, 3132829830), (9, 2088553220), (10, 1879697898), (12, 1566414915), (13, 1445921460), (15, 1253131932), (18, 1044276610), (20, 939848949), (26, 722960730), (30, 626565966), (36, 522138305), (39, 481973820), (45, 417710644), (52, 361480365), (60, 313282983), (65, 289184292), (78, 240986910), (90, 208855322), (117, 160657940), (130, 144592146), (156, 120493455), (180, 104427661), (195, 96394764), (234, 80328970), (260, 72296073), (390, 48197382), (468, 40164485), (585, 32131588), (780, 24098691), (1170, 16065794), (1669, 11262420), (2340, 8032897), (3338, 5631210), (4813, 3905460), (5007, 3754140), (6676, 2815605), (8345, 2252484), (9626, 1952730), (10014, 1877070), (14439, 1301820), (15021, 1251380), (16690, 1126242), (19252, 976365), (20028, 938535), (21697, 866340), (24065, 781092), (25035, 750828), (28878, 650910), (30042, 625690), (33380, 563121), (43317, 433940), (43394, 433170), (48130, 390546), (50070, 375414), (57756, 325455), (60084, 312845), (62569, 300420), (65091, 288780), (72195, 260364), (75105, 250276), (86634, 216970), (86788, 216585), (96260, 195273), (100140, 187707), (108485, 173268), (125138, 150210), (130182, 144390)]