19775088

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1543}}^1$

素因数の和:1646

約数の個数: 60

約数和(自身を含む): 56000880

約数和(自身を除く): 36225792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1543, 1602, 2136, 3086, 3204, 4272, 4629, 6172, 6408, 9258, 12344, 12816, 13887, 18516, 24688, 27774, 37032, 55548, 74064, 111096, 137327, 222192, 274654, 411981, 549308, 823962, 1098616, 1235943, 1647924, 2197232, 2471886, 3295848, 4943772, 6591696, 9887544, 19775088]

約数ペア:

[(1, 19775088), (2, 9887544), (3, 6591696), (4, 4943772), (6, 3295848), (8, 2471886), (9, 2197232), (12, 1647924), (16, 1235943), (18, 1098616), (24, 823962), (36, 549308), (48, 411981), (72, 274654), (89, 222192), (144, 137327), (178, 111096), (267, 74064), (356, 55548), (534, 37032), (712, 27774), (801, 24688), (1068, 18516), (1424, 13887), (1543, 12816), (1602, 12344), (2136, 9258), (3086, 6408), (3204, 6172), (4272, 4629)]