18927930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 52316928

約数和(自身を除く): 33388998

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 519, 521, 865, 1038, 1042, 1211, 1563, 1730, 2422, 2595, 2605, 3126, 3633, 3647, 5190, 5210, 6055, 7266, 7294, 7815, 10941, 12110, 15630, 18165, 18235, 21882, 36330, 36470, 54705, 90133, 109410, 180266, 270399, 450665, 540798, 630931, 901330, 1261862, 1351995, 1892793, 2703990, 3154655, 3785586, 6309310, 9463965, 18927930]

約数ペア:

[(1, 18927930), (2, 9463965), (3, 6309310), (5, 3785586), (6, 3154655), (7, 2703990), (10, 1892793), (14, 1351995), (15, 1261862), (21, 901330), (30, 630931), (35, 540798), (42, 450665), (70, 270399), (105, 180266), (173, 109410), (210, 90133), (346, 54705), (519, 36470), (521, 36330), (865, 21882), (1038, 18235), (1042, 18165), (1211, 15630), (1563, 12110), (1730, 10941), (2422, 7815), (2595, 7294), (2605, 7266), (3126, 6055), (3633, 5210), (3647, 5190)]