18991170036

素因数分解:

$2^2\times 3^3\times {\mathrm{263}}^1\times {\mathrm{668609}}^1$

素因数の和:668885

約数の個数: 48

約数和(自身を含む): 49423651200

約数和(自身を除く): 30432481164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 263, 526, 789, 1052, 1578, 2367, 3156, 4734, 7101, 9468, 14202, 28404, 668609, 1337218, 2005827, 2674436, 4011654, 6017481, 8023308, 12034962, 18052443, 24069924, 36104886, 72209772, 175844167, 351688334, 527532501, 703376668, 1055065002, 1582597503, 2110130004, 3165195006, 4747792509, 6330390012, 9495585018, 18991170036]

約数ペア:

[(1, 18991170036), (2, 9495585018), (3, 6330390012), (4, 4747792509), (6, 3165195006), (9, 2110130004), (12, 1582597503), (18, 1055065002), (27, 703376668), (36, 527532501), (54, 351688334), (108, 175844167), (263, 72209772), (526, 36104886), (789, 24069924), (1052, 18052443), (1578, 12034962), (2367, 8023308), (3156, 6017481), (4734, 4011654), (7101, 2674436), (9468, 2005827), (14202, 1337218), (28404, 668609)]