19174806

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 50541216

約数和(自身を除く): 31366410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 457, 518, 567, 666, 777, 914, 999, 1134, 1371, 1554, 1998, 2331, 2742, 2997, 3199, 4113, 4662, 5994, 6398, 6993, 8226, 9597, 12339, 13986, 16909, 19194, 20979, 24678, 28791, 33818, 37017, 41958, 50727, 57582, 74034, 86373, 101454, 118363, 152181, 172746, 236726, 259119, 304362, 355089, 456543, 518238, 710178, 913086, 1065267, 1369629, 2130534, 2739258, 3195801, 6391602, 9587403, 19174806]

約数ペア:

[(1, 19174806), (2, 9587403), (3, 6391602), (6, 3195801), (7, 2739258), (9, 2130534), (14, 1369629), (18, 1065267), (21, 913086), (27, 710178), (37, 518238), (42, 456543), (54, 355089), (63, 304362), (74, 259119), (81, 236726), (111, 172746), (126, 152181), (162, 118363), (189, 101454), (222, 86373), (259, 74034), (333, 57582), (378, 50727), (457, 41958), (518, 37017), (567, 33818), (666, 28791), (777, 24678), (914, 20979), (999, 19194), (1134, 16909), (1371, 13986), (1554, 12339), (1998, 9597), (2331, 8226), (2742, 6993), (2997, 6398), (3199, 5994), (4113, 4662)]