19907235

素因数分解:

$3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 15735645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 167, 501, 835, 883, 1503, 2505, 2649, 4415, 4509, 7515, 7947, 13245, 22545, 23841, 39735, 119205, 147461, 442383, 737305, 1327149, 2211915, 3981447, 6635745, 19907235]

約数ペア:

[(1, 19907235), (3, 6635745), (5, 3981447), (9, 2211915), (15, 1327149), (27, 737305), (45, 442383), (135, 147461), (167, 119205), (501, 39735), (835, 23841), (883, 22545), (1503, 13245), (2505, 7947), (2649, 7515), (4415, 4509)]