19961970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5003}}^1$

素因数の和:5039

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 37684110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5003, 10006, 15009, 25015, 30018, 35021, 50030, 70042, 75045, 95057, 105063, 150090, 175105, 190114, 210126, 285171, 350210, 475285, 525315, 570342, 665399, 950570, 1050630, 1330798, 1425855, 1996197, 2851710, 3326995, 3992394, 6653990, 9980985, 19961970]

約数ペア:

[(1, 19961970), (2, 9980985), (3, 6653990), (5, 3992394), (6, 3326995), (7, 2851710), (10, 1996197), (14, 1425855), (15, 1330798), (19, 1050630), (21, 950570), (30, 665399), (35, 570342), (38, 525315), (42, 475285), (57, 350210), (70, 285171), (95, 210126), (105, 190114), (114, 175105), (133, 150090), (190, 105063), (210, 95057), (266, 75045), (285, 70042), (399, 50030), (570, 35021), (665, 30018), (798, 25015), (1330, 15009), (1995, 10006), (3990, 5003)]