18799365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 35271936

約数和(自身を除く): 16472571

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 107, 159, 195, 221, 255, 265, 321, 535, 663, 689, 795, 901, 1105, 1391, 1605, 1819, 2067, 2703, 3315, 3445, 4173, 4505, 5457, 5671, 6955, 9095, 10335, 11713, 13515, 17013, 20865, 23647, 27285, 28355, 35139, 58565, 70941, 73723, 85065, 96407, 118235, 175695, 221169, 289221, 354705, 368615, 482035, 1105845, 1253291, 1446105, 3759873, 6266455, 18799365]

約数ペア:

[(1, 18799365), (3, 6266455), (5, 3759873), (13, 1446105), (15, 1253291), (17, 1105845), (39, 482035), (51, 368615), (53, 354705), (65, 289221), (85, 221169), (107, 175695), (159, 118235), (195, 96407), (221, 85065), (255, 73723), (265, 70941), (321, 58565), (535, 35139), (663, 28355), (689, 27285), (795, 23647), (901, 20865), (1105, 17013), (1391, 13515), (1605, 11713), (1819, 10335), (2067, 9095), (2703, 6955), (3315, 5671), (3445, 5457), (4173, 4505)]