19515060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:598

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 42174540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 509, 540, 639, 710, 852, 1018, 1065, 1278, 1420, 1527, 1917, 2036, 2130, 2545, 2556, 3054, 3195, 3834, 4260, 4581, 5090, 6108, 6390, 7635, 7668, 9162, 9585, 10180, 12780, 13743, 15270, 18324, 19170, 22905, 27486, 30540, 36139, 38340, 45810, 54972, 68715, 72278, 91620, 108417, 137430, 144556, 180695, 216834, 274860, 325251, 361390, 433668, 542085, 650502, 722780, 975753, 1084170, 1301004, 1626255, 1951506, 2168340, 3252510, 3903012, 4878765, 6505020, 9757530, 19515060]

約数ペア:

[(1, 19515060), (2, 9757530), (3, 6505020), (4, 4878765), (5, 3903012), (6, 3252510), (9, 2168340), (10, 1951506), (12, 1626255), (15, 1301004), (18, 1084170), (20, 975753), (27, 722780), (30, 650502), (36, 542085), (45, 433668), (54, 361390), (60, 325251), (71, 274860), (90, 216834), (108, 180695), (135, 144556), (142, 137430), (180, 108417), (213, 91620), (270, 72278), (284, 68715), (355, 54972), (426, 45810), (509, 38340), (540, 36139), (639, 30540), (710, 27486), (852, 22905), (1018, 19170), (1065, 18324), (1278, 15270), (1420, 13743), (1527, 12780), (1917, 10180), (2036, 9585), (2130, 9162), (2545, 7668), (2556, 7635), (3054, 6390), (3195, 6108), (3834, 5090), (4260, 4581)]