19737960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 68083200

約数和(自身を除く): 48345240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 787, 836, 1045, 1140, 1254, 1320, 1574, 1672, 2090, 2280, 2361, 2508, 3135, 3148, 3935, 4180, 4722, 5016, 6270, 6296, 7870, 8360, 8657, 9444, 11805, 12540, 14953, 15740, 17314, 18888, 23610, 25080, 25971, 29906, 31480, 34628, 43285, 44859, 47220, 51942, 59812, 69256, 74765, 86570, 89718, 94440, 103884, 119624, 129855, 149530, 164483, 173140, 179436, 207768, 224295, 259710, 299060, 328966, 346280, 358872, 448590, 493449, 519420, 598120, 657932, 822415, 897180, 986898, 1038840, 1315864, 1644830, 1794360, 1973796, 2467245, 3289660, 3947592, 4934490, 6579320, 9868980, 19737960]

約数ペア:

[(1, 19737960), (2, 9868980), (3, 6579320), (4, 4934490), (5, 3947592), (6, 3289660), (8, 2467245), (10, 1973796), (11, 1794360), (12, 1644830), (15, 1315864), (19, 1038840), (20, 986898), (22, 897180), (24, 822415), (30, 657932), (33, 598120), (38, 519420), (40, 493449), (44, 448590), (55, 358872), (57, 346280), (60, 328966), (66, 299060), (76, 259710), (88, 224295), (95, 207768), (110, 179436), (114, 173140), (120, 164483), (132, 149530), (152, 129855), (165, 119624), (190, 103884), (209, 94440), (220, 89718), (228, 86570), (264, 74765), (285, 69256), (330, 59812), (380, 51942), (418, 47220), (440, 44859), (456, 43285), (570, 34628), (627, 31480), (660, 29906), (760, 25971), (787, 25080), (836, 23610), (1045, 18888), (1140, 17314), (1254, 15740), (1320, 14953), (1574, 12540), (1672, 11805), (2090, 9444), (2280, 8657), (2361, 8360), (2508, 7870), (3135, 6296), (3148, 6270), (3935, 5016), (4180, 4722)]