19808190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1733}}^1$

素因数の和:1873

約数の個数: 48

約数和(自身を含む): 51936768

約数和(自身を除く): 32128578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1733, 1905, 2286, 3466, 3810, 5199, 5715, 8665, 10398, 11430, 15597, 17330, 25995, 31194, 51990, 77985, 155970, 220091, 440182, 660273, 1100455, 1320546, 1980819, 2200910, 3301365, 3961638, 6602730, 9904095, 19808190]

約数ペア:

[(1, 19808190), (2, 9904095), (3, 6602730), (5, 3961638), (6, 3301365), (9, 2200910), (10, 1980819), (15, 1320546), (18, 1100455), (30, 660273), (45, 440182), (90, 220091), (127, 155970), (254, 77985), (381, 51990), (635, 31194), (762, 25995), (1143, 17330), (1270, 15597), (1733, 11430), (1905, 10398), (2286, 8665), (3466, 5715), (3810, 5199)]