19615663977

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{29581}}^1$

素因数の和:29958

約数の個数: 48

約数和(自身を含む): 32860158912

約数和(自身を除く): 13244494935

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 347, 637, 1041, 1911, 2429, 4511, 7287, 13533, 17003, 29581, 31577, 51009, 88743, 94731, 207067, 221039, 384553, 621201, 663117, 1153659, 1449469, 2691871, 4348407, 8075613, 10264607, 18843097, 30793821, 56529291, 71852249, 133439891, 215556747, 400319673, 502965743, 934079237, 1508897229, 2802237711, 6538554659, 19615663977]

約数ペア:

[(1, 19615663977), (3, 6538554659), (7, 2802237711), (13, 1508897229), (21, 934079237), (39, 502965743), (49, 400319673), (91, 215556747), (147, 133439891), (273, 71852249), (347, 56529291), (637, 30793821), (1041, 18843097), (1911, 10264607), (2429, 8075613), (4511, 4348407), (7287, 2691871), (13533, 1449469), (17003, 1153659), (29581, 663117), (31577, 621201), (51009, 384553), (88743, 221039), (94731, 207067)]