19945896

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38114904

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 31, 34, 38, 51, 57, 62, 68, 76, 83, 93, 102, 114, 124, 136, 152, 166, 186, 204, 228, 248, 249, 323, 332, 372, 408, 456, 498, 527, 589, 646, 664, 744, 969, 996, 1054, 1178, 1292, 1411, 1577, 1581, 1767, 1938, 1992, 2108, 2356, 2573, 2584, 2822, 3154, 3162, 3534, 3876, 4216, 4233, 4712, 4731, 5146, 5644, 6308, 6324, 7068, 7719, 7752, 8466, 9462, 10013, 10292, 11288, 12616, 12648, 14136, 15438, 16932, 18924, 20026, 20584, 26809, 30039, 30876, 33864, 37848, 40052, 43741, 48887, 53618, 60078, 61752, 80104, 80427, 87482, 97774, 107236, 120156, 131223, 146661, 160854, 174964, 195548, 214472, 240312, 262446, 293322, 321708, 349928, 391096, 524892, 586644, 643416, 831079, 1049784, 1173288, 1662158, 2493237, 3324316, 4986474, 6648632, 9972948, 19945896]

約数ペア:

[(1, 19945896), (2, 9972948), (3, 6648632), (4, 4986474), (6, 3324316), (8, 2493237), (12, 1662158), (17, 1173288), (19, 1049784), (24, 831079), (31, 643416), (34, 586644), (38, 524892), (51, 391096), (57, 349928), (62, 321708), (68, 293322), (76, 262446), (83, 240312), (93, 214472), (102, 195548), (114, 174964), (124, 160854), (136, 146661), (152, 131223), (166, 120156), (186, 107236), (204, 97774), (228, 87482), (248, 80427), (249, 80104), (323, 61752), (332, 60078), (372, 53618), (408, 48887), (456, 43741), (498, 40052), (527, 37848), (589, 33864), (646, 30876), (664, 30039), (744, 26809), (969, 20584), (996, 20026), (1054, 18924), (1178, 16932), (1292, 15438), (1411, 14136), (1577, 12648), (1581, 12616), (1767, 11288), (1938, 10292), (1992, 10013), (2108, 9462), (2356, 8466), (2573, 7752), (2584, 7719), (2822, 7068), (3154, 6324), (3162, 6308), (3534, 5644), (3876, 5146), (4216, 4731), (4233, 4712)]