19513260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 46530900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 269, 279, 310, 372, 390, 403, 465, 468, 538, 558, 585, 620, 780, 806, 807, 930, 1076, 1116, 1170, 1209, 1345, 1395, 1612, 1614, 1860, 2015, 2340, 2418, 2421, 2690, 2790, 3228, 3497, 3627, 4030, 4035, 4836, 4842, 5380, 5580, 6045, 6994, 7254, 8060, 8070, 8339, 9684, 10491, 12090, 12105, 13988, 14508, 16140, 16678, 17485, 18135, 20982, 24180, 24210, 25017, 31473, 33356, 34970, 36270, 41695, 41964, 48420, 50034, 52455, 62946, 69940, 72540, 75051, 83390, 100068, 104910, 108407, 125085, 125892, 150102, 157365, 166780, 209820, 216814, 250170, 300204, 314730, 325221, 375255, 433628, 500340, 542035, 629460, 650442, 750510, 975663, 1084070, 1300884, 1501020, 1626105, 1951326, 2168140, 3252210, 3902652, 4878315, 6504420, 9756630, 19513260]

約数ペア:

[(1, 19513260), (2, 9756630), (3, 6504420), (4, 4878315), (5, 3902652), (6, 3252210), (9, 2168140), (10, 1951326), (12, 1626105), (13, 1501020), (15, 1300884), (18, 1084070), (20, 975663), (26, 750510), (30, 650442), (31, 629460), (36, 542035), (39, 500340), (45, 433628), (52, 375255), (60, 325221), (62, 314730), (65, 300204), (78, 250170), (90, 216814), (93, 209820), (117, 166780), (124, 157365), (130, 150102), (155, 125892), (156, 125085), (180, 108407), (186, 104910), (195, 100068), (234, 83390), (260, 75051), (269, 72540), (279, 69940), (310, 62946), (372, 52455), (390, 50034), (403, 48420), (465, 41964), (468, 41695), (538, 36270), (558, 34970), (585, 33356), (620, 31473), (780, 25017), (806, 24210), (807, 24180), (930, 20982), (1076, 18135), (1116, 17485), (1170, 16678), (1209, 16140), (1345, 14508), (1395, 13988), (1612, 12105), (1614, 12090), (1860, 10491), (2015, 9684), (2340, 8339), (2418, 8070), (2421, 8060), (2690, 7254), (2790, 6994), (3228, 6045), (3497, 5580), (3627, 5380), (4030, 4842), (4035, 4836)]