19421650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 38897064

約数和(自身を除く): 19475414

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 73, 85, 146, 170, 313, 365, 425, 626, 730, 850, 1241, 1565, 1825, 2482, 3130, 3650, 5321, 6205, 7825, 10642, 12410, 15650, 22849, 26605, 31025, 45698, 53210, 62050, 114245, 133025, 228490, 266050, 388433, 571225, 776866, 1142450, 1942165, 3884330, 9710825, 19421650]

約数ペア:

[(1, 19421650), (2, 9710825), (5, 3884330), (10, 1942165), (17, 1142450), (25, 776866), (34, 571225), (50, 388433), (73, 266050), (85, 228490), (146, 133025), (170, 114245), (313, 62050), (365, 53210), (425, 45698), (626, 31025), (730, 26605), (850, 22849), (1241, 15650), (1565, 12410), (1825, 10642), (2482, 7825), (3130, 6205), (3650, 5321)]