19520460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 62435520

約数和(自身を除く): 42915060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 977, 999, 1110, 1332, 1665, 1954, 1998, 2220, 2931, 3330, 3908, 3996, 4885, 4995, 5862, 6660, 8793, 9770, 9990, 11724, 14655, 17586, 19540, 19980, 26379, 29310, 35172, 36149, 43965, 52758, 58620, 72298, 87930, 105516, 108447, 131895, 144596, 175860, 180745, 216894, 263790, 325341, 361490, 433788, 527580, 542235, 650682, 722980, 976023, 1084470, 1301364, 1626705, 1952046, 2168940, 3253410, 3904092, 4880115, 6506820, 9760230, 19520460]

約数ペア:

[(1, 19520460), (2, 9760230), (3, 6506820), (4, 4880115), (5, 3904092), (6, 3253410), (9, 2168940), (10, 1952046), (12, 1626705), (15, 1301364), (18, 1084470), (20, 976023), (27, 722980), (30, 650682), (36, 542235), (37, 527580), (45, 433788), (54, 361490), (60, 325341), (74, 263790), (90, 216894), (108, 180745), (111, 175860), (135, 144596), (148, 131895), (180, 108447), (185, 105516), (222, 87930), (270, 72298), (333, 58620), (370, 52758), (444, 43965), (540, 36149), (555, 35172), (666, 29310), (740, 26379), (977, 19980), (999, 19540), (1110, 17586), (1332, 14655), (1665, 11724), (1954, 9990), (1998, 9770), (2220, 8793), (2931, 6660), (3330, 5862), (3908, 4995), (3996, 4885)]