19929384

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7481}}^1$

素因数の和:7530

約数の個数: 48

約数和(自身を含む): 55441620

約数和(自身を除く): 35512236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7481, 14962, 22443, 29924, 44886, 59848, 67329, 89772, 134658, 179544, 269316, 276797, 538632, 553594, 830391, 1107188, 1660782, 2214376, 2491173, 3321564, 4982346, 6643128, 9964692, 19929384]

約数ペア:

[(1, 19929384), (2, 9964692), (3, 6643128), (4, 4982346), (6, 3321564), (8, 2491173), (9, 2214376), (12, 1660782), (18, 1107188), (24, 830391), (36, 553594), (37, 538632), (72, 276797), (74, 269316), (111, 179544), (148, 134658), (222, 89772), (296, 67329), (333, 59848), (444, 44886), (666, 29924), (888, 22443), (1332, 14962), (2664, 7481)]