18005364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 49736960

約数和(自身を除く): 31731596

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 487, 711, 948, 974, 1027, 1422, 1461, 1948, 2054, 2844, 2922, 3081, 4108, 4383, 5844, 6162, 6331, 8766, 9243, 12324, 12662, 17532, 18486, 18993, 25324, 36972, 37986, 38473, 56979, 75972, 76946, 113958, 115419, 153892, 227916, 230838, 346257, 461676, 500149, 692514, 1000298, 1385028, 1500447, 2000596, 3000894, 4501341, 6001788, 9002682, 18005364]

約数ペア:

[(1, 18005364), (2, 9002682), (3, 6001788), (4, 4501341), (6, 3000894), (9, 2000596), (12, 1500447), (13, 1385028), (18, 1000298), (26, 692514), (36, 500149), (39, 461676), (52, 346257), (78, 230838), (79, 227916), (117, 153892), (156, 115419), (158, 113958), (234, 76946), (237, 75972), (316, 56979), (468, 38473), (474, 37986), (487, 36972), (711, 25324), (948, 18993), (974, 18486), (1027, 17532), (1422, 12662), (1461, 12324), (1948, 9243), (2054, 8766), (2844, 6331), (2922, 6162), (3081, 5844), (4108, 4383)]