19920615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 18689817

約数列:

[1, 3, 5, 11, 13, 15, 33, 37, 39, 55, 65, 111, 143, 165, 185, 195, 251, 407, 429, 481, 555, 715, 753, 1221, 1255, 1443, 2035, 2145, 2405, 2761, 3263, 3765, 5291, 6105, 7215, 8283, 9287, 9789, 13805, 15873, 16315, 26455, 27861, 35893, 41415, 46435, 48945, 79365, 102157, 107679, 120731, 139305, 179465, 306471, 362193, 510785, 538395, 603655, 1328041, 1532355, 1810965, 3984123, 6640205, 19920615]

約数ペア:

[(1, 19920615), (3, 6640205), (5, 3984123), (11, 1810965), (13, 1532355), (15, 1328041), (33, 603655), (37, 538395), (39, 510785), (55, 362193), (65, 306471), (111, 179465), (143, 139305), (165, 120731), (185, 107679), (195, 102157), (251, 79365), (407, 48945), (429, 46435), (481, 41415), (555, 35893), (715, 27861), (753, 26455), (1221, 16315), (1255, 15873), (1443, 13805), (2035, 9789), (2145, 9287), (2405, 8283), (2761, 7215), (3263, 6105), (3765, 5291)]