18271708

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 41023584

約数和(自身を除く): 22751876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 101, 142, 182, 196, 202, 284, 364, 404, 497, 637, 707, 923, 994, 1274, 1313, 1414, 1846, 1988, 2548, 2626, 2828, 3479, 3692, 4949, 5252, 6461, 6958, 7171, 9191, 9898, 12922, 13916, 14342, 18382, 19796, 25844, 28684, 36764, 45227, 50197, 64337, 90454, 93223, 100394, 128674, 180908, 186446, 200788, 257348, 351379, 372892, 652561, 702758, 1305122, 1405516, 2610244, 4567927, 9135854, 18271708]

約数ペア:

[(1, 18271708), (2, 9135854), (4, 4567927), (7, 2610244), (13, 1405516), (14, 1305122), (26, 702758), (28, 652561), (49, 372892), (52, 351379), (71, 257348), (91, 200788), (98, 186446), (101, 180908), (142, 128674), (182, 100394), (196, 93223), (202, 90454), (284, 64337), (364, 50197), (404, 45227), (497, 36764), (637, 28684), (707, 25844), (923, 19796), (994, 18382), (1274, 14342), (1313, 13916), (1414, 12922), (1846, 9898), (1988, 9191), (2548, 7171), (2626, 6958), (2828, 6461), (3479, 5252), (3692, 4949)]