19887084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 58574880

約数和(自身を除く): 38687796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1489, 1908, 2226, 2978, 3339, 4452, 4467, 5956, 6678, 8934, 10423, 13356, 13401, 17868, 20846, 26802, 31269, 41692, 53604, 62538, 78917, 93807, 125076, 157834, 187614, 236751, 315668, 375228, 473502, 552419, 710253, 947004, 1104838, 1420506, 1657257, 2209676, 2841012, 3314514, 4971771, 6629028, 9943542, 19887084]

約数ペア:

[(1, 19887084), (2, 9943542), (3, 6629028), (4, 4971771), (6, 3314514), (7, 2841012), (9, 2209676), (12, 1657257), (14, 1420506), (18, 1104838), (21, 947004), (28, 710253), (36, 552419), (42, 473502), (53, 375228), (63, 315668), (84, 236751), (106, 187614), (126, 157834), (159, 125076), (212, 93807), (252, 78917), (318, 62538), (371, 53604), (477, 41692), (636, 31269), (742, 26802), (954, 20846), (1113, 17868), (1484, 13401), (1489, 13356), (1908, 10423), (2226, 8934), (2978, 6678), (3339, 5956), (4452, 4467)]