19495890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 34282926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 113, 135, 142, 162, 213, 226, 243, 270, 339, 355, 405, 426, 486, 565, 639, 678, 710, 810, 1017, 1065, 1130, 1215, 1278, 1695, 1917, 2034, 2130, 2430, 3051, 3195, 3390, 3834, 5085, 5751, 6102, 6390, 8023, 9153, 9585, 10170, 11502, 15255, 16046, 17253, 18306, 19170, 24069, 27459, 28755, 30510, 34506, 40115, 45765, 48138, 54918, 57510, 72207, 80230, 86265, 91530, 120345, 137295, 144414, 172530, 216621, 240690, 274590, 361035, 433242, 649863, 722070, 1083105, 1299726, 1949589, 2166210, 3249315, 3899178, 6498630, 9747945, 19495890]

約数ペア:

[(1, 19495890), (2, 9747945), (3, 6498630), (5, 3899178), (6, 3249315), (9, 2166210), (10, 1949589), (15, 1299726), (18, 1083105), (27, 722070), (30, 649863), (45, 433242), (54, 361035), (71, 274590), (81, 240690), (90, 216621), (113, 172530), (135, 144414), (142, 137295), (162, 120345), (213, 91530), (226, 86265), (243, 80230), (270, 72207), (339, 57510), (355, 54918), (405, 48138), (426, 45765), (486, 40115), (565, 34506), (639, 30510), (678, 28755), (710, 27459), (810, 24069), (1017, 19170), (1065, 18306), (1130, 17253), (1215, 16046), (1278, 15255), (1695, 11502), (1917, 10170), (2034, 9585), (2130, 9153), (2430, 8023), (3051, 6390), (3195, 6102), (3390, 5751), (3834, 5085)]