19287540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 59256288

約数和(自身を除く): 39968748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1291, 1494, 1660, 2490, 2582, 2988, 3735, 3873, 4980, 5164, 6455, 7470, 7746, 11619, 12910, 14940, 15492, 19365, 23238, 25820, 38730, 46476, 58095, 77460, 107153, 116190, 214306, 232380, 321459, 428612, 535765, 642918, 964377, 1071530, 1285836, 1607295, 1928754, 2143060, 3214590, 3857508, 4821885, 6429180, 9643770, 19287540]

約数ペア:

[(1, 19287540), (2, 9643770), (3, 6429180), (4, 4821885), (5, 3857508), (6, 3214590), (9, 2143060), (10, 1928754), (12, 1607295), (15, 1285836), (18, 1071530), (20, 964377), (30, 642918), (36, 535765), (45, 428612), (60, 321459), (83, 232380), (90, 214306), (166, 116190), (180, 107153), (249, 77460), (332, 58095), (415, 46476), (498, 38730), (747, 25820), (830, 23238), (996, 19365), (1245, 15492), (1291, 14940), (1494, 12910), (1660, 11619), (2490, 7746), (2582, 7470), (2988, 6455), (3735, 5164), (3873, 4980)]