18931330390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{12497}}^1$

素因数の和:12614

約数の個数: 128

約数和(自身を含む): 44056949760

約数和(自身を除く): 25125619370

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 67, 70, 85, 95, 119, 133, 134, 170, 190, 238, 266, 323, 335, 469, 595, 646, 665, 670, 938, 1139, 1190, 1273, 1330, 1615, 2261, 2278, 2345, 2546, 3230, 4522, 4690, 5695, 6365, 7973, 8911, 11305, 11390, 12497, 12730, 15946, 17822, 21641, 22610, 24994, 39865, 43282, 44555, 62485, 79730, 87479, 89110, 108205, 124970, 151487, 174958, 212449, 216410, 237443, 302974, 424898, 437395, 474886, 757435, 837299, 874790, 1062245, 1187215, 1487143, 1514870, 1662101, 1674598, 2124490, 2374430, 2974286, 3324202, 4036531, 4186495, 5861093, 7435715, 8073062, 8310505, 8372990, 11722186, 14234083, 14871430, 15908681, 16621010, 20182655, 28255717, 28468166, 29305465, 31817362, 40365310, 56511434, 58610930, 71170415, 79543405, 99638581, 111360767, 141278585, 142340830, 159086810, 199277162, 222721534, 270447577, 282557170, 498192905, 540895154, 556803835, 996385810, 1113607670, 1352237885, 1893133039, 2704475770, 3786266078, 9465665195, 18931330390]

約数ペア:

[(1, 18931330390), (2, 9465665195), (5, 3786266078), (7, 2704475770), (10, 1893133039), (14, 1352237885), (17, 1113607670), (19, 996385810), (34, 556803835), (35, 540895154), (38, 498192905), (67, 282557170), (70, 270447577), (85, 222721534), (95, 199277162), (119, 159086810), (133, 142340830), (134, 141278585), (170, 111360767), (190, 99638581), (238, 79543405), (266, 71170415), (323, 58610930), (335, 56511434), (469, 40365310), (595, 31817362), (646, 29305465), (665, 28468166), (670, 28255717), (938, 20182655), (1139, 16621010), (1190, 15908681), (1273, 14871430), (1330, 14234083), (1615, 11722186), (2261, 8372990), (2278, 8310505), (2345, 8073062), (2546, 7435715), (3230, 5861093), (4522, 4186495), (4690, 4036531), (5695, 3324202), (6365, 2974286), (7973, 2374430), (8911, 2124490), (11305, 1674598), (11390, 1662101), (12497, 1514870), (12730, 1487143), (15946, 1187215), (17822, 1062245), (21641, 874790), (22610, 837299), (24994, 757435), (39865, 474886), (43282, 437395), (44555, 424898), (62485, 302974), (79730, 237443), (87479, 216410), (89110, 212449), (108205, 174958), (124970, 151487)]