19212060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 42880740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 307, 420, 447, 596, 614, 745, 894, 921, 1043, 1228, 1490, 1535, 1788, 1842, 2086, 2149, 2235, 2980, 3070, 3129, 3684, 4172, 4298, 4470, 4605, 5215, 6140, 6258, 6447, 8596, 8940, 9210, 10430, 10745, 12516, 12894, 15645, 18420, 20860, 21490, 25788, 31290, 32235, 42980, 45743, 62580, 64470, 91486, 128940, 137229, 182972, 228715, 274458, 320201, 457430, 548916, 640402, 686145, 914860, 960603, 1280804, 1372290, 1601005, 1921206, 2744580, 3202010, 3842412, 4803015, 6404020, 9606030, 19212060]

約数ペア:

[(1, 19212060), (2, 9606030), (3, 6404020), (4, 4803015), (5, 3842412), (6, 3202010), (7, 2744580), (10, 1921206), (12, 1601005), (14, 1372290), (15, 1280804), (20, 960603), (21, 914860), (28, 686145), (30, 640402), (35, 548916), (42, 457430), (60, 320201), (70, 274458), (84, 228715), (105, 182972), (140, 137229), (149, 128940), (210, 91486), (298, 64470), (307, 62580), (420, 45743), (447, 42980), (596, 32235), (614, 31290), (745, 25788), (894, 21490), (921, 20860), (1043, 18420), (1228, 15645), (1490, 12894), (1535, 12516), (1788, 10745), (1842, 10430), (2086, 9210), (2149, 8940), (2235, 8596), (2980, 6447), (3070, 6258), (3129, 6140), (3684, 5215), (4172, 4605), (4298, 4470)]