18764544

素因数分解:

$2^8\times 3^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 50993712

約数和(自身を除く): 32229168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 256, 318, 384, 424, 461, 636, 768, 848, 922, 1272, 1383, 1696, 1844, 2544, 2766, 3392, 3688, 5088, 5532, 6784, 7376, 10176, 11064, 13568, 14752, 20352, 22128, 24433, 29504, 40704, 44256, 48866, 59008, 73299, 88512, 97732, 118016, 146598, 177024, 195464, 293196, 354048, 390928, 586392, 781856, 1172784, 1563712, 2345568, 3127424, 4691136, 6254848, 9382272, 18764544]

約数ペア:

[(1, 18764544), (2, 9382272), (3, 6254848), (4, 4691136), (6, 3127424), (8, 2345568), (12, 1563712), (16, 1172784), (24, 781856), (32, 586392), (48, 390928), (53, 354048), (64, 293196), (96, 195464), (106, 177024), (128, 146598), (159, 118016), (192, 97732), (212, 88512), (256, 73299), (318, 59008), (384, 48866), (424, 44256), (461, 40704), (636, 29504), (768, 24433), (848, 22128), (922, 20352), (1272, 14752), (1383, 13568), (1696, 11064), (1844, 10176), (2544, 7376), (2766, 6784), (3392, 5532), (3688, 5088)]