18876690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 59911488

約数和(自身を除く): 41034798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 83, 90, 95, 105, 114, 126, 133, 166, 171, 190, 210, 249, 266, 285, 315, 342, 361, 399, 415, 498, 570, 581, 630, 665, 722, 747, 798, 830, 855, 1083, 1162, 1197, 1245, 1330, 1494, 1577, 1710, 1743, 1805, 1995, 2166, 2394, 2490, 2527, 2905, 3154, 3249, 3486, 3610, 3735, 3990, 4731, 5054, 5229, 5415, 5810, 5985, 6498, 7470, 7581, 7885, 8715, 9462, 10458, 10830, 11039, 11970, 12635, 14193, 15162, 15770, 16245, 17430, 22078, 22743, 23655, 25270, 26145, 28386, 29963, 32490, 33117, 37905, 45486, 47310, 52290, 55195, 59926, 66234, 70965, 75810, 89889, 99351, 110390, 113715, 141930, 149815, 165585, 179778, 198702, 209741, 227430, 269667, 299630, 331170, 419482, 449445, 496755, 539334, 629223, 898890, 993510, 1048705, 1258446, 1348335, 1887669, 2097410, 2696670, 3146115, 3775338, 6292230, 9438345, 18876690]

約数ペア:

[(1, 18876690), (2, 9438345), (3, 6292230), (5, 3775338), (6, 3146115), (7, 2696670), (9, 2097410), (10, 1887669), (14, 1348335), (15, 1258446), (18, 1048705), (19, 993510), (21, 898890), (30, 629223), (35, 539334), (38, 496755), (42, 449445), (45, 419482), (57, 331170), (63, 299630), (70, 269667), (83, 227430), (90, 209741), (95, 198702), (105, 179778), (114, 165585), (126, 149815), (133, 141930), (166, 113715), (171, 110390), (190, 99351), (210, 89889), (249, 75810), (266, 70965), (285, 66234), (315, 59926), (342, 55195), (361, 52290), (399, 47310), (415, 45486), (498, 37905), (570, 33117), (581, 32490), (630, 29963), (665, 28386), (722, 26145), (747, 25270), (798, 23655), (830, 22743), (855, 22078), (1083, 17430), (1162, 16245), (1197, 15770), (1245, 15162), (1330, 14193), (1494, 12635), (1577, 11970), (1710, 11039), (1743, 10830), (1805, 10458), (1995, 9462), (2166, 8715), (2394, 7885), (2490, 7581), (2527, 7470), (2905, 6498), (3154, 5985), (3249, 5810), (3486, 5415), (3610, 5229), (3735, 5054), (3990, 4731)]