19395180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{733}}^1$

素因数の和:765

約数の個数: 144

約数和(自身を含む): 70287840

約数和(自身を除く): 50892660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 733, 735, 756, 882, 945, 980, 1260, 1323, 1466, 1470, 1764, 1890, 2199, 2205, 2646, 2932, 2940, 3665, 3780, 4398, 4410, 5131, 5292, 6597, 6615, 7330, 8796, 8820, 10262, 10995, 13194, 13230, 14660, 15393, 19791, 20524, 21990, 25655, 26388, 26460, 30786, 32985, 35917, 39582, 43980, 46179, 51310, 61572, 65970, 71834, 76965, 79164, 92358, 98955, 102620, 107751, 131940, 138537, 143668, 153930, 179585, 184716, 197910, 215502, 230895, 277074, 307860, 323253, 359170, 395820, 431004, 461790, 538755, 554148, 646506, 692685, 718340, 923580, 969759, 1077510, 1293012, 1385370, 1616265, 1939518, 2155020, 2770740, 3232530, 3879036, 4848795, 6465060, 9697590, 19395180]

約数ペア:

[(1, 19395180), (2, 9697590), (3, 6465060), (4, 4848795), (5, 3879036), (6, 3232530), (7, 2770740), (9, 2155020), (10, 1939518), (12, 1616265), (14, 1385370), (15, 1293012), (18, 1077510), (20, 969759), (21, 923580), (27, 718340), (28, 692685), (30, 646506), (35, 554148), (36, 538755), (42, 461790), (45, 431004), (49, 395820), (54, 359170), (60, 323253), (63, 307860), (70, 277074), (84, 230895), (90, 215502), (98, 197910), (105, 184716), (108, 179585), (126, 153930), (135, 143668), (140, 138537), (147, 131940), (180, 107751), (189, 102620), (196, 98955), (210, 92358), (245, 79164), (252, 76965), (270, 71834), (294, 65970), (315, 61572), (378, 51310), (420, 46179), (441, 43980), (490, 39582), (540, 35917), (588, 32985), (630, 30786), (733, 26460), (735, 26388), (756, 25655), (882, 21990), (945, 20524), (980, 19791), (1260, 15393), (1323, 14660), (1466, 13230), (1470, 13194), (1764, 10995), (1890, 10262), (2199, 8820), (2205, 8796), (2646, 7330), (2932, 6615), (2940, 6597), (3665, 5292), (3780, 5131), (4398, 4410)]