19888736940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1649149}}^1$

素因数の和:1649231

約数の個数: 72

約数和(自身を含む): 61229641200

約数和(自身を除く): 41340904260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 1649149, 3298298, 4947447, 6596596, 8245745, 9894894, 14842341, 16491490, 19789788, 24737235, 29684682, 32982980, 49474470, 59369364, 74211705, 98948940, 110492983, 148423410, 220985966, 296846820, 331478949, 441971932, 552464915, 662957898, 994436847, 1104929830, 1325915796, 1657394745, 1988873694, 2209859660, 3314789490, 3977747388, 4972184235, 6629578980, 9944368470, 19888736940]

約数ペア:

[(1, 19888736940), (2, 9944368470), (3, 6629578980), (4, 4972184235), (5, 3977747388), (6, 3314789490), (9, 2209859660), (10, 1988873694), (12, 1657394745), (15, 1325915796), (18, 1104929830), (20, 994436847), (30, 662957898), (36, 552464915), (45, 441971932), (60, 331478949), (67, 296846820), (90, 220985966), (134, 148423410), (180, 110492983), (201, 98948940), (268, 74211705), (335, 59369364), (402, 49474470), (603, 32982980), (670, 29684682), (804, 24737235), (1005, 19789788), (1206, 16491490), (1340, 14842341), (2010, 9894894), (2412, 8245745), (3015, 6596596), (4020, 4947447), (6030, 3298298), (12060, 1649149)]