18376930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 39626496

約数和(自身を除く): 21249566

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 181, 286, 355, 362, 710, 715, 781, 905, 923, 1430, 1562, 1810, 1846, 1991, 2353, 3905, 3982, 4615, 4706, 7810, 9230, 9955, 10153, 11765, 12851, 19910, 20306, 23530, 25702, 25883, 50765, 51766, 64255, 101530, 128510, 129415, 141361, 167063, 258830, 282722, 334126, 706805, 835315, 1413610, 1670630, 1837693, 3675386, 9188465, 18376930]

約数ペア:

[(1, 18376930), (2, 9188465), (5, 3675386), (10, 1837693), (11, 1670630), (13, 1413610), (22, 835315), (26, 706805), (55, 334126), (65, 282722), (71, 258830), (110, 167063), (130, 141361), (142, 129415), (143, 128510), (181, 101530), (286, 64255), (355, 51766), (362, 50765), (710, 25883), (715, 25702), (781, 23530), (905, 20306), (923, 19910), (1430, 12851), (1562, 11765), (1810, 10153), (1846, 9955), (1991, 9230), (2353, 7810), (3905, 4706), (3982, 4615)]