19534602879

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{15749}}^1$

素因数の和:15861

約数の個数: 72

約数和(自身を含む): 33331662000

約数和(自身を除く): 13797059121

約数列:

[1, 3, 9, 11, 17, 33, 51, 67, 99, 121, 153, 187, 201, 363, 561, 603, 737, 1089, 1139, 1683, 2057, 2211, 3417, 6171, 6633, 8107, 10251, 12529, 15749, 18513, 24321, 37587, 47247, 72963, 112761, 137819, 141741, 173239, 267733, 413457, 519717, 803199, 1055183, 1240371, 1559151, 1905629, 2409597, 2945063, 3165549, 5716887, 8835189, 9496647, 11607013, 17150661, 17938111, 26505567, 32395693, 34821039, 53814333, 97187079, 104463117, 127677143, 161442999, 197319221, 291561237, 383031429, 591957663, 1149094287, 1775872989, 2170511431, 6511534293, 19534602879]

約数ペア:

[(1, 19534602879), (3, 6511534293), (9, 2170511431), (11, 1775872989), (17, 1149094287), (33, 591957663), (51, 383031429), (67, 291561237), (99, 197319221), (121, 161442999), (153, 127677143), (187, 104463117), (201, 97187079), (363, 53814333), (561, 34821039), (603, 32395693), (737, 26505567), (1089, 17938111), (1139, 17150661), (1683, 11607013), (2057, 9496647), (2211, 8835189), (3417, 5716887), (6171, 3165549), (6633, 2945063), (8107, 2409597), (10251, 1905629), (12529, 1559151), (15749, 1240371), (18513, 1055183), (24321, 803199), (37587, 519717), (47247, 413457), (72963, 267733), (112761, 173239), (137819, 141741)]