19212180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24631}}^1$

素因数の和:24656

約数の個数: 48

約数和(自身を含む): 57934464

約数和(自身を除く): 38722284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24631, 49262, 73893, 98524, 123155, 147786, 246310, 295572, 320203, 369465, 492620, 640406, 738930, 960609, 1280812, 1477860, 1601015, 1921218, 3202030, 3842436, 4803045, 6404060, 9606090, 19212180]

約数ペア:

[(1, 19212180), (2, 9606090), (3, 6404060), (4, 4803045), (5, 3842436), (6, 3202030), (10, 1921218), (12, 1601015), (13, 1477860), (15, 1280812), (20, 960609), (26, 738930), (30, 640406), (39, 492620), (52, 369465), (60, 320203), (65, 295572), (78, 246310), (130, 147786), (156, 123155), (195, 98524), (260, 73893), (390, 49262), (780, 24631)]