19213380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 58712472

約数和(自身を除く): 39499092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 617, 692, 865, 1038, 1234, 1557, 1730, 1851, 2076, 2468, 2595, 3085, 3114, 3460, 3702, 5190, 5553, 6170, 6228, 7404, 7785, 9255, 10380, 11106, 12340, 15570, 18510, 22212, 27765, 31140, 37020, 55530, 106741, 111060, 213482, 320223, 426964, 533705, 640446, 960669, 1067410, 1280892, 1601115, 1921338, 2134820, 3202230, 3842676, 4803345, 6404460, 9606690, 19213380]

約数ペア:

[(1, 19213380), (2, 9606690), (3, 6404460), (4, 4803345), (5, 3842676), (6, 3202230), (9, 2134820), (10, 1921338), (12, 1601115), (15, 1280892), (18, 1067410), (20, 960669), (30, 640446), (36, 533705), (45, 426964), (60, 320223), (90, 213482), (173, 111060), (180, 106741), (346, 55530), (519, 37020), (617, 31140), (692, 27765), (865, 22212), (1038, 18510), (1234, 15570), (1557, 12340), (1730, 11106), (1851, 10380), (2076, 9255), (2468, 7785), (2595, 7404), (3085, 6228), (3114, 6170), (3460, 5553), (3702, 5190)]