1811790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 4835376

約数和(自身を除く): 3023586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 491, 615, 738, 982, 1230, 1473, 1845, 2455, 2946, 3690, 4419, 4910, 7365, 8838, 14730, 20131, 22095, 40262, 44190, 60393, 100655, 120786, 181179, 201310, 301965, 362358, 603930, 905895, 1811790]

約数ペア:

[(1, 1811790), (2, 905895), (3, 603930), (5, 362358), (6, 301965), (9, 201310), (10, 181179), (15, 120786), (18, 100655), (30, 60393), (41, 44190), (45, 40262), (82, 22095), (90, 20131), (123, 14730), (205, 8838), (246, 7365), (369, 4910), (410, 4419), (491, 3690), (615, 2946), (738, 2455), (982, 1845), (1230, 1473)]