18797220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 63750960

約数和(自身を除く): 44953740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 277, 290, 348, 377, 390, 435, 468, 522, 554, 580, 585, 754, 780, 831, 870, 1044, 1108, 1131, 1170, 1305, 1385, 1508, 1662, 1740, 1885, 2262, 2340, 2493, 2610, 2770, 3324, 3393, 3601, 3770, 4155, 4524, 4986, 5220, 5540, 5655, 6786, 7202, 7540, 8033, 8310, 9972, 10803, 11310, 12465, 13572, 14404, 16066, 16620, 16965, 18005, 21606, 22620, 24099, 24930, 32132, 32409, 33930, 36010, 40165, 43212, 48198, 49860, 54015, 64818, 67860, 72020, 72297, 80330, 96396, 104429, 108030, 120495, 129636, 144594, 160660, 162045, 208858, 216060, 240990, 289188, 313287, 324090, 361485, 417716, 481980, 522145, 626574, 648180, 722970, 939861, 1044290, 1253148, 1445940, 1566435, 1879722, 2088580, 3132870, 3759444, 4699305, 6265740, 9398610, 18797220]

約数ペア:

[(1, 18797220), (2, 9398610), (3, 6265740), (4, 4699305), (5, 3759444), (6, 3132870), (9, 2088580), (10, 1879722), (12, 1566435), (13, 1445940), (15, 1253148), (18, 1044290), (20, 939861), (26, 722970), (29, 648180), (30, 626574), (36, 522145), (39, 481980), (45, 417716), (52, 361485), (58, 324090), (60, 313287), (65, 289188), (78, 240990), (87, 216060), (90, 208858), (116, 162045), (117, 160660), (130, 144594), (145, 129636), (156, 120495), (174, 108030), (180, 104429), (195, 96396), (234, 80330), (260, 72297), (261, 72020), (277, 67860), (290, 64818), (348, 54015), (377, 49860), (390, 48198), (435, 43212), (468, 40165), (522, 36010), (554, 33930), (580, 32409), (585, 32132), (754, 24930), (780, 24099), (831, 22620), (870, 21606), (1044, 18005), (1108, 16965), (1131, 16620), (1170, 16066), (1305, 14404), (1385, 13572), (1508, 12465), (1662, 11310), (1740, 10803), (1885, 9972), (2262, 8310), (2340, 8033), (2493, 7540), (2610, 7202), (2770, 6786), (3324, 5655), (3393, 5540), (3601, 5220), (3770, 4986), (4155, 4524)]