19005455805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{891647}}^1$

素因数の和:891698

約数の個数: 48

約数和(自身を含む): 36593233920

約数和(自身を除く): 17587778115

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1421, 3045, 4263, 7105, 21315, 891647, 2674941, 4458235, 6241529, 13374705, 18724587, 25857763, 31207645, 43690703, 77573289, 93622935, 129288815, 131072109, 181004341, 218453515, 387866445, 543013023, 655360545, 905021705, 1267030387, 2715065115, 3801091161, 6335151935, 19005455805]

約数ペア:

[(1, 19005455805), (3, 6335151935), (5, 3801091161), (7, 2715065115), (15, 1267030387), (21, 905021705), (29, 655360545), (35, 543013023), (49, 387866445), (87, 218453515), (105, 181004341), (145, 131072109), (147, 129288815), (203, 93622935), (245, 77573289), (435, 43690703), (609, 31207645), (735, 25857763), (1015, 18724587), (1421, 13374705), (3045, 6241529), (4263, 4458235), (7105, 2674941), (21315, 891647)]