19413345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 19109535

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 263, 285, 399, 555, 665, 703, 777, 789, 1295, 1315, 1841, 1995, 2109, 3515, 3885, 3945, 4921, 4997, 5523, 9205, 9731, 10545, 14763, 14991, 24605, 24985, 27615, 29193, 34979, 48655, 68117, 73815, 74955, 104937, 145965, 174895, 184889, 204351, 340585, 524685, 554667, 924445, 1021755, 1294223, 2773335, 3882669, 6471115, 19413345]

約数ペア:

[(1, 19413345), (3, 6471115), (5, 3882669), (7, 2773335), (15, 1294223), (19, 1021755), (21, 924445), (35, 554667), (37, 524685), (57, 340585), (95, 204351), (105, 184889), (111, 174895), (133, 145965), (185, 104937), (259, 74955), (263, 73815), (285, 68117), (399, 48655), (555, 34979), (665, 29193), (703, 27615), (777, 24985), (789, 24605), (1295, 14991), (1315, 14763), (1841, 10545), (1995, 9731), (2109, 9205), (3515, 5523), (3885, 4997), (3945, 4921)]