18896895

素因数分解:

$3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 34524672

約数和(自身を除く): 15627777

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 151, 243, 309, 405, 453, 515, 755, 927, 1215, 1359, 1545, 2265, 2781, 4077, 4635, 6795, 8343, 12231, 13905, 15553, 20385, 25029, 36693, 41715, 46659, 61155, 77765, 125145, 139977, 183465, 233295, 419931, 699885, 1259793, 2099655, 3779379, 6298965, 18896895]

約数ペア:

[(1, 18896895), (3, 6298965), (5, 3779379), (9, 2099655), (15, 1259793), (27, 699885), (45, 419931), (81, 233295), (103, 183465), (135, 139977), (151, 125145), (243, 77765), (309, 61155), (405, 46659), (453, 41715), (515, 36693), (755, 25029), (927, 20385), (1215, 15553), (1359, 13905), (1545, 12231), (2265, 8343), (2781, 6795), (4077, 4635)]