1816931948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 3582712224

約数和(自身を除く): 1765780276

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 206, 353, 403, 412, 706, 806, 961, 1339, 1412, 1612, 1922, 2678, 3193, 3844, 4589, 5356, 6386, 9178, 10943, 12493, 12772, 18356, 21886, 24986, 36359, 41509, 43772, 49972, 72718, 83018, 98983, 142259, 145436, 166036, 197966, 284518, 339233, 395932, 472667, 569036, 678466, 945334, 1127129, 1286779, 1356932, 1890668, 2254258, 2573558, 4410029, 4508516, 5147116, 8820058, 14652677, 17640116, 29305354, 34940999, 58610708, 69881998, 139763996, 454232987, 908465974, 1816931948]

約数ペア:

[(1, 1816931948), (2, 908465974), (4, 454232987), (13, 139763996), (26, 69881998), (31, 58610708), (52, 34940999), (62, 29305354), (103, 17640116), (124, 14652677), (206, 8820058), (353, 5147116), (403, 4508516), (412, 4410029), (706, 2573558), (806, 2254258), (961, 1890668), (1339, 1356932), (1412, 1286779), (1612, 1127129), (1922, 945334), (2678, 678466), (3193, 569036), (3844, 472667), (4589, 395932), (5356, 339233), (6386, 284518), (9178, 197966), (10943, 166036), (12493, 145436), (12772, 142259), (18356, 98983), (21886, 83018), (24986, 72718), (36359, 49972), (41509, 43772)]