18707071490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1\times {\mathrm{3833}}^1$

素因数の和:5387

約数の個数: 64

約数和(自身を含む): 37564611840

約数和(自身を除く): 18857540350

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1511, 1615, 3022, 3230, 3833, 7555, 7666, 15110, 19165, 25687, 28709, 38330, 51374, 57418, 65161, 72827, 128435, 130322, 143545, 145654, 256870, 287090, 325805, 364135, 488053, 651610, 728270, 976106, 1238059, 2440265, 2476118, 4880530, 5791663, 6190295, 11583326, 12380590, 28958315, 57916630, 98458271, 110041597, 196916542, 220083194, 492291355, 550207985, 984582710, 1100415970, 1870707149, 3741414298, 9353535745, 18707071490]

約数ペア:

[(1, 18707071490), (2, 9353535745), (5, 3741414298), (10, 1870707149), (17, 1100415970), (19, 984582710), (34, 550207985), (38, 492291355), (85, 220083194), (95, 196916542), (170, 110041597), (190, 98458271), (323, 57916630), (646, 28958315), (1511, 12380590), (1615, 11583326), (3022, 6190295), (3230, 5791663), (3833, 4880530), (7555, 2476118), (7666, 2440265), (15110, 1238059), (19165, 976106), (25687, 728270), (28709, 651610), (38330, 488053), (51374, 364135), (57418, 325805), (65161, 287090), (72827, 256870), (128435, 145654), (130322, 143545)]