18194940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 55543488

約数和(自身を除く): 37348548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 373, 542, 746, 813, 1084, 1119, 1355, 1492, 1626, 1865, 2238, 2439, 2710, 3252, 3357, 3730, 4065, 4476, 4878, 5420, 5595, 6714, 7460, 8130, 9756, 11190, 12195, 13428, 16260, 16785, 22380, 24390, 33570, 48780, 67140, 101083, 202166, 303249, 404332, 505415, 606498, 909747, 1010830, 1212996, 1516245, 1819494, 2021660, 3032490, 3638988, 4548735, 6064980, 9097470, 18194940]

約数ペア:

[(1, 18194940), (2, 9097470), (3, 6064980), (4, 4548735), (5, 3638988), (6, 3032490), (9, 2021660), (10, 1819494), (12, 1516245), (15, 1212996), (18, 1010830), (20, 909747), (30, 606498), (36, 505415), (45, 404332), (60, 303249), (90, 202166), (180, 101083), (271, 67140), (373, 48780), (542, 33570), (746, 24390), (813, 22380), (1084, 16785), (1119, 16260), (1355, 13428), (1492, 12195), (1626, 11190), (1865, 9756), (2238, 8130), (2439, 7460), (2710, 6714), (3252, 5595), (3357, 5420), (3730, 4878), (4065, 4476)]