18735570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 40984110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 431, 483, 621, 630, 690, 805, 862, 945, 966, 1035, 1242, 1293, 1449, 1610, 1890, 2070, 2155, 2415, 2586, 2898, 3017, 3105, 3879, 4310, 4347, 4830, 6034, 6210, 6465, 7245, 7758, 8694, 9051, 9913, 11637, 12930, 14490, 15085, 18102, 19395, 19826, 21735, 23274, 27153, 29739, 30170, 38790, 43470, 45255, 49565, 54306, 58185, 59478, 69391, 81459, 89217, 90510, 99130, 116370, 135765, 138782, 148695, 162918, 178434, 208173, 267651, 271530, 297390, 346955, 407295, 416346, 446085, 535302, 624519, 693910, 814590, 892170, 1040865, 1249038, 1338255, 1873557, 2081730, 2676510, 3122595, 3747114, 6245190, 9367785, 18735570]

約数ペア:

[(1, 18735570), (2, 9367785), (3, 6245190), (5, 3747114), (6, 3122595), (7, 2676510), (9, 2081730), (10, 1873557), (14, 1338255), (15, 1249038), (18, 1040865), (21, 892170), (23, 814590), (27, 693910), (30, 624519), (35, 535302), (42, 446085), (45, 416346), (46, 407295), (54, 346955), (63, 297390), (69, 271530), (70, 267651), (90, 208173), (105, 178434), (115, 162918), (126, 148695), (135, 138782), (138, 135765), (161, 116370), (189, 99130), (207, 90510), (210, 89217), (230, 81459), (270, 69391), (315, 59478), (322, 58185), (345, 54306), (378, 49565), (414, 45255), (431, 43470), (483, 38790), (621, 30170), (630, 29739), (690, 27153), (805, 23274), (862, 21735), (945, 19826), (966, 19395), (1035, 18102), (1242, 15085), (1293, 14490), (1449, 12930), (1610, 11637), (1890, 9913), (2070, 9051), (2155, 8694), (2415, 7758), (2586, 7245), (2898, 6465), (3017, 6210), (3105, 6034), (3879, 4830), (4310, 4347)]