19174545

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 36363600

約数和(自身を除く): 17189055

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 449, 585, 657, 949, 1095, 1347, 2245, 2847, 3285, 4041, 4745, 5837, 6735, 8541, 14235, 17511, 20205, 29185, 32777, 42705, 52533, 87555, 98331, 163885, 262665, 294993, 426101, 491655, 1278303, 1474965, 2130505, 3834909, 6391515, 19174545]

約数ペア:

[(1, 19174545), (3, 6391515), (5, 3834909), (9, 2130505), (13, 1474965), (15, 1278303), (39, 491655), (45, 426101), (65, 294993), (73, 262665), (117, 163885), (195, 98331), (219, 87555), (365, 52533), (449, 42705), (585, 32777), (657, 29185), (949, 20205), (1095, 17511), (1347, 14235), (2245, 8541), (2847, 6735), (3285, 5837), (4041, 4745)]