15984358

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 36

約数和(自身を含む): 27610308

約数和(自身を除く): 11625950

約数列:

[1, 2, 13, 19, 26, 38, 131, 169, 247, 262, 338, 361, 494, 722, 1703, 2489, 3211, 3406, 4693, 4978, 6422, 9386, 22139, 32357, 44278, 47291, 61009, 64714, 94582, 122018, 420641, 614783, 841282, 1229566, 7992179, 15984358]

約数ペア:

[(1, 15984358), (2, 7992179), (13, 1229566), (19, 841282), (26, 614783), (38, 420641), (131, 122018), (169, 94582), (247, 64714), (262, 61009), (338, 47291), (361, 44278), (494, 32357), (722, 22139), (1703, 9386), (2489, 6422), (3211, 4978), (3406, 4693)]