18739188

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1483}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 52937248

約数和(自身を除く): 34198060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1483, 2106, 2966, 3159, 4212, 4449, 5932, 6318, 8898, 12636, 13347, 17796, 19279, 26694, 38558, 40041, 53388, 57837, 77116, 80082, 115674, 120123, 160164, 173511, 231348, 240246, 347022, 360369, 480492, 520533, 694044, 720738, 1041066, 1441476, 1561599, 2082132, 3123198, 4684797, 6246396, 9369594, 18739188]

約数ペア:

[(1, 18739188), (2, 9369594), (3, 6246396), (4, 4684797), (6, 3123198), (9, 2082132), (12, 1561599), (13, 1441476), (18, 1041066), (26, 720738), (27, 694044), (36, 520533), (39, 480492), (52, 360369), (54, 347022), (78, 240246), (81, 231348), (108, 173511), (117, 160164), (156, 120123), (162, 115674), (234, 80082), (243, 77116), (324, 57837), (351, 53388), (468, 40041), (486, 38558), (702, 26694), (972, 19279), (1053, 17796), (1404, 13347), (1483, 12636), (2106, 8898), (2966, 6318), (3159, 5932), (4212, 4449)]