18348908

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 34500312

約数和(自身を除く): 16151404

約数列:

[1, 2, 4, 19, 38, 76, 97, 131, 194, 262, 361, 388, 524, 722, 1444, 1843, 2489, 3686, 4978, 7372, 9956, 12707, 25414, 35017, 47291, 50828, 70034, 94582, 140068, 189164, 241433, 482866, 965732, 4587227, 9174454, 18348908]

約数ペア:

[(1, 18348908), (2, 9174454), (4, 4587227), (19, 965732), (38, 482866), (76, 241433), (97, 189164), (131, 140068), (194, 94582), (262, 70034), (361, 50828), (388, 47291), (524, 35017), (722, 25414), (1444, 12707), (1843, 9956), (2489, 7372), (3686, 4978)]