18447787540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1448021}}^1$

素因数の和:1448057

約数の個数: 72

約数和(自身を含む): 48531905352

約数和(自身を除く): 30084117812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 1448021, 2896042, 5792084, 7240105, 10136147, 14480210, 18824273, 20272294, 28960420, 37648546, 40544588, 50680735, 70953029, 75297092, 94121365, 101361470, 131769911, 141906058, 188242730, 202722940, 263539822, 283812116, 354765145, 376485460, 527079644, 658849555, 709530290, 922389377, 1317699110, 1419060580, 1844778754, 2635398220, 3689557508, 4611946885, 9223893770, 18447787540]

約数ペア:

[(1, 18447787540), (2, 9223893770), (4, 4611946885), (5, 3689557508), (7, 2635398220), (10, 1844778754), (13, 1419060580), (14, 1317699110), (20, 922389377), (26, 709530290), (28, 658849555), (35, 527079644), (49, 376485460), (52, 354765145), (65, 283812116), (70, 263539822), (91, 202722940), (98, 188242730), (130, 141906058), (140, 131769911), (182, 101361470), (196, 94121365), (245, 75297092), (260, 70953029), (364, 50680735), (455, 40544588), (490, 37648546), (637, 28960420), (910, 20272294), (980, 18824273), (1274, 14480210), (1820, 10136147), (2548, 7240105), (3185, 5792084), (6370, 2896042), (12740, 1448021)]