19631465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 9295255

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 557, 665, 1007, 1855, 2785, 3899, 5035, 7049, 10583, 19495, 29521, 35245, 52915, 74081, 147605, 206647, 370405, 560899, 1033235, 2804495, 3926293, 19631465]

約数ペア:

[(1, 19631465), (5, 3926293), (7, 2804495), (19, 1033235), (35, 560899), (53, 370405), (95, 206647), (133, 147605), (265, 74081), (371, 52915), (557, 35245), (665, 29521), (1007, 19495), (1855, 10583), (2785, 7049), (3899, 5035)]