19001840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 52642464

約数和(自身を除く): 33640624

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 151, 176, 208, 220, 242, 260, 286, 302, 440, 484, 520, 572, 604, 605, 715, 755, 880, 968, 1040, 1144, 1208, 1210, 1430, 1510, 1573, 1661, 1936, 1963, 2288, 2416, 2420, 2860, 3020, 3146, 3322, 3926, 4840, 5720, 6040, 6292, 6644, 7852, 7865, 8305, 9680, 9815, 11440, 12080, 12584, 13288, 15704, 15730, 16610, 18271, 19630, 21593, 25168, 26576, 31408, 31460, 33220, 36542, 39260, 43186, 62920, 66440, 73084, 78520, 86372, 91355, 107965, 125840, 132880, 146168, 157040, 172744, 182710, 215930, 237523, 292336, 345488, 365420, 431860, 475046, 730840, 863720, 950092, 1187615, 1461680, 1727440, 1900184, 2375230, 3800368, 4750460, 9500920, 19001840]

約数ペア:

[(1, 19001840), (2, 9500920), (4, 4750460), (5, 3800368), (8, 2375230), (10, 1900184), (11, 1727440), (13, 1461680), (16, 1187615), (20, 950092), (22, 863720), (26, 730840), (40, 475046), (44, 431860), (52, 365420), (55, 345488), (65, 292336), (80, 237523), (88, 215930), (104, 182710), (110, 172744), (121, 157040), (130, 146168), (143, 132880), (151, 125840), (176, 107965), (208, 91355), (220, 86372), (242, 78520), (260, 73084), (286, 66440), (302, 62920), (440, 43186), (484, 39260), (520, 36542), (572, 33220), (604, 31460), (605, 31408), (715, 26576), (755, 25168), (880, 21593), (968, 19630), (1040, 18271), (1144, 16610), (1208, 15730), (1210, 15704), (1430, 13288), (1510, 12584), (1573, 12080), (1661, 11440), (1936, 9815), (1963, 9680), (2288, 8305), (2416, 7865), (2420, 7852), (2860, 6644), (3020, 6292), (3146, 6040), (3322, 5720), (3926, 4840)]