19887768

素因数分解:

$2^3\times 3^4\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 56976480

約数和(自身を除く): 37088712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 81, 94, 108, 141, 162, 188, 216, 282, 324, 376, 423, 564, 648, 653, 846, 1128, 1269, 1306, 1692, 1959, 2538, 2612, 3384, 3807, 3918, 5076, 5224, 5877, 7614, 7836, 10152, 11754, 15228, 15672, 17631, 23508, 30456, 30691, 35262, 47016, 52893, 61382, 70524, 92073, 105786, 122764, 141048, 184146, 211572, 245528, 276219, 368292, 423144, 552438, 736584, 828657, 1104876, 1657314, 2209752, 2485971, 3314628, 4971942, 6629256, 9943884, 19887768]

約数ペア:

[(1, 19887768), (2, 9943884), (3, 6629256), (4, 4971942), (6, 3314628), (8, 2485971), (9, 2209752), (12, 1657314), (18, 1104876), (24, 828657), (27, 736584), (36, 552438), (47, 423144), (54, 368292), (72, 276219), (81, 245528), (94, 211572), (108, 184146), (141, 141048), (162, 122764), (188, 105786), (216, 92073), (282, 70524), (324, 61382), (376, 52893), (423, 47016), (564, 35262), (648, 30691), (653, 30456), (846, 23508), (1128, 17631), (1269, 15672), (1306, 15228), (1692, 11754), (1959, 10152), (2538, 7836), (2612, 7614), (3384, 5877), (3807, 5224), (3918, 5076)]