18563940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 38202588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 683, 755, 906, 1359, 1366, 1510, 1812, 2049, 2265, 2718, 2732, 3020, 3415, 4098, 4530, 5436, 6147, 6795, 6830, 8196, 9060, 10245, 12294, 13590, 13660, 20490, 24588, 27180, 30735, 40980, 61470, 103133, 122940, 206266, 309399, 412532, 515665, 618798, 928197, 1031330, 1237596, 1546995, 1856394, 2062660, 3093990, 3712788, 4640985, 6187980, 9281970, 18563940]

約数ペア:

[(1, 18563940), (2, 9281970), (3, 6187980), (4, 4640985), (5, 3712788), (6, 3093990), (9, 2062660), (10, 1856394), (12, 1546995), (15, 1237596), (18, 1031330), (20, 928197), (30, 618798), (36, 515665), (45, 412532), (60, 309399), (90, 206266), (151, 122940), (180, 103133), (302, 61470), (453, 40980), (604, 30735), (683, 27180), (755, 24588), (906, 20490), (1359, 13660), (1366, 13590), (1510, 12294), (1812, 10245), (2049, 9060), (2265, 8196), (2718, 6830), (2732, 6795), (3020, 6147), (3415, 5436), (4098, 4530)]