18405423612

素因数分解:

$2^2\times 3^5\times {\mathrm{401}}^1\times {\mathrm{47221}}^1$

素因数の和:47641

約数の個数: 72

約数和(自身を含む): 48369305712

約数和(自身を除く): 29963882100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 401, 486, 802, 972, 1203, 1604, 2406, 3609, 4812, 7218, 10827, 14436, 21654, 32481, 43308, 47221, 64962, 94442, 97443, 129924, 141663, 188884, 194886, 283326, 389772, 424989, 566652, 849978, 1274967, 1699956, 2549934, 3824901, 5099868, 7649802, 11474703, 15299604, 18935621, 22949406, 37871242, 45898812, 56806863, 75742484, 113613726, 170420589, 227227452, 340841178, 511261767, 681682356, 1022523534, 1533785301, 2045047068, 3067570602, 4601355903, 6135141204, 9202711806, 18405423612]

約数ペア:

[(1, 18405423612), (2, 9202711806), (3, 6135141204), (4, 4601355903), (6, 3067570602), (9, 2045047068), (12, 1533785301), (18, 1022523534), (27, 681682356), (36, 511261767), (54, 340841178), (81, 227227452), (108, 170420589), (162, 113613726), (243, 75742484), (324, 56806863), (401, 45898812), (486, 37871242), (802, 22949406), (972, 18935621), (1203, 15299604), (1604, 11474703), (2406, 7649802), (3609, 5099868), (4812, 3824901), (7218, 2549934), (10827, 1699956), (14436, 1274967), (21654, 849978), (32481, 566652), (43308, 424989), (47221, 389772), (64962, 283326), (94442, 194886), (97443, 188884), (129924, 141663)]