19157880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22807}}^1$

素因数の和:22828

約数の個数: 64

約数和(自身を含む): 65687040

約数和(自身を除く): 46529160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22807, 45614, 68421, 91228, 114035, 136842, 159649, 182456, 228070, 273684, 319298, 342105, 456140, 478947, 547368, 638596, 684210, 798245, 912280, 957894, 1277192, 1368420, 1596490, 1915788, 2394735, 2736840, 3192980, 3831576, 4789470, 6385960, 9578940, 19157880]

約数ペア:

[(1, 19157880), (2, 9578940), (3, 6385960), (4, 4789470), (5, 3831576), (6, 3192980), (7, 2736840), (8, 2394735), (10, 1915788), (12, 1596490), (14, 1368420), (15, 1277192), (20, 957894), (21, 912280), (24, 798245), (28, 684210), (30, 638596), (35, 547368), (40, 478947), (42, 456140), (56, 342105), (60, 319298), (70, 273684), (84, 228070), (105, 182456), (120, 159649), (140, 136842), (168, 114035), (210, 91228), (280, 68421), (420, 45614), (840, 22807)]