18491970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 51114240

約数和(自身を除く): 32622270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 509, 519, 865, 1018, 1038, 1211, 1527, 1730, 2422, 2545, 2595, 3054, 3563, 3633, 5090, 5190, 6055, 7126, 7266, 7635, 10689, 12110, 15270, 17815, 18165, 21378, 35630, 36330, 53445, 88057, 106890, 176114, 264171, 440285, 528342, 616399, 880570, 1232798, 1320855, 1849197, 2641710, 3081995, 3698394, 6163990, 9245985, 18491970]

約数ペア:

[(1, 18491970), (2, 9245985), (3, 6163990), (5, 3698394), (6, 3081995), (7, 2641710), (10, 1849197), (14, 1320855), (15, 1232798), (21, 880570), (30, 616399), (35, 528342), (42, 440285), (70, 264171), (105, 176114), (173, 106890), (210, 88057), (346, 53445), (509, 36330), (519, 35630), (865, 21378), (1018, 18165), (1038, 17815), (1211, 15270), (1527, 12110), (1730, 10689), (2422, 7635), (2545, 7266), (2595, 7126), (3054, 6055), (3563, 5190), (3633, 5090)]