18072964

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 40822488

約数和(自身を除く): 22749524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 173, 182, 196, 287, 346, 364, 533, 574, 637, 692, 1066, 1148, 1211, 1274, 2009, 2132, 2249, 2422, 2548, 3731, 4018, 4498, 4844, 7093, 7462, 8036, 8477, 8996, 14186, 14924, 15743, 16954, 26117, 28372, 31486, 33908, 49651, 52234, 62972, 92209, 99302, 104468, 110201, 184418, 198604, 220402, 347557, 368836, 440804, 645463, 695114, 1290926, 1390228, 2581852, 4518241, 9036482, 18072964]

約数ペア:

[(1, 18072964), (2, 9036482), (4, 4518241), (7, 2581852), (13, 1390228), (14, 1290926), (26, 695114), (28, 645463), (41, 440804), (49, 368836), (52, 347557), (82, 220402), (91, 198604), (98, 184418), (164, 110201), (173, 104468), (182, 99302), (196, 92209), (287, 62972), (346, 52234), (364, 49651), (533, 33908), (574, 31486), (637, 28372), (692, 26117), (1066, 16954), (1148, 15743), (1211, 14924), (1274, 14186), (2009, 8996), (2132, 8477), (2249, 8036), (2422, 7462), (2548, 7093), (3731, 4844), (4018, 4498)]