1900647558

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 4624435200

約数和(自身を除く): 2723787642

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 67, 86, 114, 129, 134, 171, 201, 258, 342, 387, 402, 513, 603, 643, 774, 817, 1026, 1161, 1206, 1273, 1286, 1634, 1809, 1929, 2322, 2451, 2546, 2881, 3618, 3819, 3858, 4902, 5762, 5787, 7353, 7638, 8643, 11457, 11574, 12217, 14706, 17286, 17361, 22059, 22914, 24434, 25929, 27649, 34371, 34722, 36651, 43081, 44118, 51858, 54739, 55298, 68742, 73302, 77787, 82947, 86162, 109478, 109953, 129243, 155574, 164217, 165894, 219906, 248841, 258486, 328434, 329859, 387729, 492651, 497682, 525331, 659718, 746523, 775458, 818539, 985302, 1050662, 1163187, 1477953, 1493046, 1575993, 1637078, 1852483, 2326374, 2455617, 2955906, 3151986, 3704966, 4727979, 4911234, 5557449, 7366851, 9455958, 11114898, 14183937, 14733702, 16672347, 22100553, 28367874, 33344694, 35197177, 44201106, 50017041, 70394354, 100034082, 105591531, 211183062, 316774593, 633549186, 950323779, 1900647558]

約数ペア:

[(1, 1900647558), (2, 950323779), (3, 633549186), (6, 316774593), (9, 211183062), (18, 105591531), (19, 100034082), (27, 70394354), (38, 50017041), (43, 44201106), (54, 35197177), (57, 33344694), (67, 28367874), (86, 22100553), (114, 16672347), (129, 14733702), (134, 14183937), (171, 11114898), (201, 9455958), (258, 7366851), (342, 5557449), (387, 4911234), (402, 4727979), (513, 3704966), (603, 3151986), (643, 2955906), (774, 2455617), (817, 2326374), (1026, 1852483), (1161, 1637078), (1206, 1575993), (1273, 1493046), (1286, 1477953), (1634, 1163187), (1809, 1050662), (1929, 985302), (2322, 818539), (2451, 775458), (2546, 746523), (2881, 659718), (3618, 525331), (3819, 497682), (3858, 492651), (4902, 387729), (5762, 329859), (5787, 328434), (7353, 258486), (7638, 248841), (8643, 219906), (11457, 165894), (11574, 164217), (12217, 155574), (14706, 129243), (17286, 109953), (17361, 109478), (22059, 86162), (22914, 82947), (24434, 77787), (25929, 73302), (27649, 68742), (34371, 55298), (34722, 54739), (36651, 51858), (43081, 44118)]