19765890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3888

約数の個数: 64

約数和(自身を含む): 55497600

約数和(自身を除く): 35731710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 3853, 5130, 7706, 11559, 19265, 23118, 34677, 38530, 57795, 69354, 73207, 104031, 115590, 146414, 173385, 208062, 219621, 346770, 366035, 439242, 520155, 658863, 732070, 1040310, 1098105, 1317726, 1976589, 2196210, 3294315, 3953178, 6588630, 9882945, 19765890]

約数ペア:

[(1, 19765890), (2, 9882945), (3, 6588630), (5, 3953178), (6, 3294315), (9, 2196210), (10, 1976589), (15, 1317726), (18, 1098105), (19, 1040310), (27, 732070), (30, 658863), (38, 520155), (45, 439242), (54, 366035), (57, 346770), (90, 219621), (95, 208062), (114, 173385), (135, 146414), (171, 115590), (190, 104031), (270, 73207), (285, 69354), (342, 57795), (513, 38530), (570, 34677), (855, 23118), (1026, 19265), (1710, 11559), (2565, 7706), (3853, 5130)]