19897908

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 48545280

約数和(自身を除く): 28647372

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 89, 93, 124, 178, 186, 267, 356, 372, 534, 601, 1068, 1202, 1803, 2404, 2759, 3606, 5518, 7212, 8277, 11036, 16554, 18631, 33108, 37262, 53489, 55893, 74524, 106978, 111786, 160467, 213956, 223572, 320934, 641868, 1658159, 3316318, 4974477, 6632636, 9948954, 19897908]

約数ペア:

[(1, 19897908), (2, 9948954), (3, 6632636), (4, 4974477), (6, 3316318), (12, 1658159), (31, 641868), (62, 320934), (89, 223572), (93, 213956), (124, 160467), (178, 111786), (186, 106978), (267, 74524), (356, 55893), (372, 53489), (534, 37262), (601, 33108), (1068, 18631), (1202, 16554), (1803, 11036), (2404, 8277), (2759, 7212), (3606, 5518)]