19723275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 41570256

約数和(自身を除く): 21846981

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 613, 715, 825, 975, 1287, 1839, 2145, 2475, 2925, 3065, 3575, 5517, 6435, 6743, 7969, 9195, 10725, 15325, 20229, 23907, 27585, 32175, 33715, 39845, 45975, 60687, 71721, 87659, 101145, 119535, 137925, 168575, 199225, 262977, 303435, 358605, 438295, 505725, 597675, 788931, 1314885, 1517175, 1793025, 2191475, 3944655, 6574425, 19723275]

約数ペア:

[(1, 19723275), (3, 6574425), (5, 3944655), (9, 2191475), (11, 1793025), (13, 1517175), (15, 1314885), (25, 788931), (33, 597675), (39, 505725), (45, 438295), (55, 358605), (65, 303435), (75, 262977), (99, 199225), (117, 168575), (143, 137925), (165, 119535), (195, 101145), (225, 87659), (275, 71721), (325, 60687), (429, 45975), (495, 39845), (585, 33715), (613, 32175), (715, 27585), (825, 23907), (975, 20229), (1287, 15325), (1839, 10725), (2145, 9195), (2475, 7969), (2925, 6743), (3065, 6435), (3575, 5517)]